Toxic Behaviors After a Breakup: 13 Harmful Reactions and How to Deal With Them

Gildas Garrec—CBT Psychotherapist—29 janvier 2026

17 min read

Reading time: 28 minutes

Violent or harmful reactions after a romantic breakup can be extremely varied and affect all spheres: emotional, behavioral, social, and psychological. These include notably silent treatment, ghosting, haunting/orbiting, benching, stalking, digital surveillance, idealization then devaluation, hoarding, self-medication, impulsivity, social isolation, violent behaviors, and unfortunately suicidal ideation or attempts.

This article details each of these behaviors: définition, online and offline manifestations, frequency, triggering factors, risks, escalation signs, and recommended interventions. Examples of supportive messages and practical recommendations are provided, along with useful French resources.

Context and Phases of Breakup

A romantic breakup is experienced as genuine relational grief. The emotional phases are comparable to those of mourning: initial shock, anger/rage, profound sadness, then acceptance and rebuilding. These stages span several weeks, sometimes several months.

Anger occurs when the breakup becomes fully realized (rejection phase), while confusion and anxiety last longer in cases of ghosting. The harmful behaviors presented here may appear during the immediate breakup (explosive anger, frantic contact attempts) or develop in the post-breakup period (rumination, stalking), then fade during the adjustment phase when equilibrium is restored.

The 13 Harmful Behaviors After a Breakup

1. Silent Treatment

Definition: The person abruptly ceases all communication (calls, messages, social networks) with the ex-partner. Manifestations: No response to texts/calls, profile deletion or cessation of social media interactions, physical avoidance of all contact. Often justified as "taking a step back," it's sometimes a breakup of contact without explanation. Frequency: Very common, often used as a strategy to rebuild or "punish" the ex. Triggers: Shock of the breakup, need to protect oneself from pain, desire to regain power. Sometimes linked to anxious attachment, wanting to test the other's attention. Risks:

For the victim: confusion, worsening post-breakup stress, guilt, social withdrawal
For the perpetrator: closure of any possibility for dialogue, prolongation of suffering

Escalation signs: If the perpetrator refuses to communicate for months or becomes hostile, the situation can turn into harassment or total isolation. Interventions: Encourage progressive reopening of communication with a professional if needed. If silence is used obsessively or punitively, psychotherapeutic support is helpful.

"I understand that you need to take your distance. If you want to talk or if you feel yourself closing off, I'm here for you. You don't have to go through this alone."

2. Ghosting

Definition: Abrupt breakup through total disappearance of one partner, without explanation. Contact is cut "overnight." Manifestations: The ex never responds again, ignores messages even when online, leaves the partner in total uncertainty. On social networks: deletion or blocking, or simply silent disappearance. Frequency: Increasingly common in the digital age, especially among young people and on dating apps. Studies reveal that ghosting is more common than a clear announcement of the breakup. Triggers: Fear of hurting the other, inability to manage conflict or emotions. Can also be deliberate (lack of empathy) or a sign of emotional immaturity. Risks:

For the victim: extreme confusion, loss of bearings, feeling of rejection and injustice, prolonged anxiety and dépression
For the perpetrator: long-term guilt, difficulty assuming responsibility, negative social impact

Escalation signs: The ghosted ex may "seek explanations" by insisting (repeated calls, harassing messages). The ghoster may move from shadows to threats if disturbed by the insistence. Interventions: Encourage the victim to seek support (friends, family) and accept reality. For the perpetrator: push them to communicate at least briefly, through a mediator if necessary.

"I know you're hurt by not understanding why they're not responding anymore. But remember: that silence says more about them than about you. You deserve an explanation, and if it doesn't come, you deserve to move on."

3. Haunting and Orbiting

Definitions:

Haunting: the ex stops direct contact but continues indirect interaction via social media (likes, comments). It can be seen as "haunting" their ex.
Orbiting: one breaks up (often through ghosting) but continues to follow the other on social networks (viewing their stories, statuses) without openly interacting.

Manifestations: Haunting manifests through "likes" on old or new posts, discrete reactions, or ambiguous private messages. Orbiting is more passive: the person views the ex's content without leaving flagrant traces, but this activity is often visible (one can see they've viewed the story). Frequency: Very common with social media. Many exes unconsciously "monitor" the other from afar. Risks: Each unintended interaction (like notification or story view) reminds of the lost relationship, reignites pain and anger. Risk of digital dependency. Over time, haunting can slip into more intrusive harassment. Interventions: Technique of block/no contact: unsubscribe and block the ex on platforms. Digital detox. Talk to a friend or therapist to express frustration.

"I saw they liked my story again. It stirs everything up in me. The best thing you can do for yourself is to block them for good. That's not meanness, that's self-protection."

4. Benching

Definition: Benching (from the English word bench, "bench of substitutes") consists of keeping a person in uncertainty after a breakup or quasi-breakup. The ex doesn't commit, doesn't clearly end things, but sends intermittent signals of interest to keep the other "in reserve," like a player on the bench ready to enter the game. Manifestations:

Online: sporadic messages ("I miss you" followed by days of silence), regular likes on posts without going further, delayed responses but sufficient to maintain hope
Offline: propositions for meetings cancelled at the last moment, ambiguous compliments, punctual physical closeness followed by distance, refusal to clarify the relationship ("we'll see," "give me time")

Frequency: Very widespread in the age of dating apps and social networks. Benching is often practiced unconsciously by people afraid of commitment or wanting to keep multiple options open. Triggers: Fear of commitment, narcissism, need for validation, chronic indecision. Sometimes linked to an avoidant attachment style: the person wants to maintain emotional connection without assuming relationship responsibility. Risks:

For the victim: permanent confusion, degraded self-esteem ("I'm not good enough for them to commit"), toxic hope preventing moving on, reinforced attachment anxiety, inability to complete the grieving process
For the perpetrator: inability to build authentic relationships, reinforcement of avoidance patterns, latent guilt, long-term emotional isolation

Escalation signs: Benching can evolve into breadcrumbing (increasingly rare crumbs of attention) or zombieing (cyclical disappearance then reappearance). The victim may develop genuine emotional dependency on these intermittent signals, functioning on the same principle as intermittent reinforcement (the most addictive in behavioral psychology). Interventions: The key is to pose a clear and compassionate ultimatum: "I can't stay in this uncertainty anymore. Either we build something together, or we say goodbye." If the response remains vague, cut contact. In therapy, work on self-esteem and the ability to set boundaries. Remember that prolonged ambiguity is not love, it's control.

"They send me a tender message once a week, then disappear. I never know if it's over or if it's starting again." — If you recognize yourself, you're probably on the bench. You deserve someone who chooses you fully, not someone who keeps you "just in case."

5. Stalking and Fusional Harassment

Definition: Stalking is an intrusive and repetitive behavior aimed at monitoring or controlling the ex's life. In France, we also speak of "fusional harassment": repeated clinging behaviors that impose on the other to fulfill all the aggressor's needs. Manifestations:

Online: following all social profiles, unwanted likes/comments, incessant message sending, identity theft, geolocation surveillance
Offline: waiting outside the other's address, frequenting the same places "by coincidence," calling relentlessly, contacting family/friends for news

Frequency: Less common than ghosting, but increasing with access to digital data. Triggers: Obsessive or dependent personality, extreme jealousy, fear of losing control, unaccepted breakup, deep resentment. Risks:

For the victim: feeling of persecution, loss of security, anxiety (sometimes PTSD), daily paralysis
For the perpetrator: legal risk (complaint, restraining order), social isolation, possible escalation to actual violence

Escalation signs: Physical intrusion, explicit threats, use of social threats (sharing intimacy), escalation to violence. Interventions: The victim must contact police (file a complaint) and/or request a protective order. Consultation with a mental health professional to manage fear. On the perpetrator's side, a legal and therapeutic framework is essential.

"They call me 20 times a day, watch my stories on repeat, and threaten to follow me everywhere. I'm afraid…" — If you hear these words, immediately accompany the person to file a police report.

6. Digital Surveillance (Monitoring)

Definition: Observing the ex's online activity compulsively without necessarily interacting openly. Systematically refreshing their profile, reading their posts, searching for private information (new location, new relationship), registering on forums/apps where they're present. Manifestations: Repeatedly refreshing the ex's profile, viewing their photo albums, seeking private information, creating a fake account to "spy." Frequency: Very common in immediate post-breakup. Over 70% of ghosting victims regularly check their ex's profile. Risks: This behavior sustains suffering. Each visual contact rekindles obsession and anxiety. Can lead to jealous crises or be a prelude to stalking. Interventions: Block/unsubscribe. Digital distancing. Occupation with other activities (hobbies, sports). If monitoring leads to harassing behavior, treat as stalking.

"I went secretly to check their profile just after midnight to see if they'd posted something, but I regret it… It's driving me crazy." — If you recognize yourself, it's time to block and seek help.

7. Idealization and Devaluation

Definition: Process of basculting opinion about the ex. Idealization: seeing only the other's qualities, convincing oneself they were perfect. Devaluation: exaggerating all of the ex's faults. Manifestations: Intrusive positive thoughts ("They were the love of my life") or negative ("They were a monster"). Harmful comparisons. Online: posting comments denigrating the other or, conversely, excessively nostalgic messages. Frequency: Quasi-universal during the grief process. The rapid alternation of idealization/devaluation characterizes borderline personality disorder. Risks: Idealization prevents moving on. Extreme devaluation can push toward resentment, revenge, or cyberstalking. Interventions: Therapy (CBT or EMDR) to reframe into reality. Loved ones can objectively remind of both sides of the relationship. Encourage the person to limit polarizing topics of discussion.

"I see that you go from 'they were the love of my life' to 'they're an unworthy person' in a few hours. These extreme thoughts are normal, but they feed your pain. Let's try to see both sides of the relationship."

8. Hoarding (Compulsive Accumulation)

Definition: Excessive accumulation of useless objects and great difficulty discarding them. After a breakup, this often takes the form of objects linked to the ex (photos, letters) but also anything kept as psychological pain relief. Manifestations: Cluttered space, sometimes unsanitary, with inability to throw things away. Each object represents a "remedy" for distress. Digitally: compulsively keeping emails, texts, and photos of the ex. Frequency: Rare as a complete disorder, but temporary accumulations are fairly common after sévère breakup. Major emotional shock is a classic trigger for hoarding. Risks: Deteriorated hygiene, fire risk, family conflict, sévère social isolation. The person often signals deep psychological distress. Interventions: Professional help (psychiatrist/psychologist). Practical help for gradual decluttering. Social monitoring if conditions are unsanitary.

"I see that many items are piling up and you won't throw anything away. I know you're suffering, but it's becoming concerning. Could we ask for help together, okay?"

9. Self-Medication (Psychoactive Substances)

Definition: Excessive use of alcohol, medication (anxiolytics), or drugs to calm emotional pain related to the breakup. Manifestations: Frequent binge drinking, taking pills to sleep, increased tobacco or drug consumption. Studies show that some people "plunge into consumption" of alcohol as a first response to breakup. Frequency: Fairly common among those in great distress, especially with a history of addiction or anxiety disorder. Triggers: Intense psychic pain, inability to bear reality, impulsive temperament, social pressure. Risks: Violence under the influence, dependency, health problems (cirrhosis, stroke), aggravated dépression, alcohol coma, risky behaviors while under the influence. Interventions: Compassionate listening without judgment. Suggest alternatives (sports, relaxing thérapies). Addiction specialist consultation. Specialized associations (Alcohol Assistance, Addict'Aide: 0 800 23 13 13).

"I know you're trying to drown your pain in alcohol, but I'm worried. What if we called a help line together to talk about what's happening to you? You don't have to face this alone."

10. Impulsivity and Risk-Taking

Definition: Acting on impulse without thinking of consequences. Unprotected sex, compulsive shopping, risky driving, verbal aggression. Manifestations: Uncontrolled casual sexual relations, ruinous purchases, excessive consumption, explosive aggression. Online: sending texts under the influence to the ex, posting compromising content. Frequency: Fairly common in immediate post-breakup, especially among young or impulsive people. Serotonin deficiency due to breakup is thought to push toward seeking "quick pleasures": food excess, alcohol, risk-taking. Triggers: Persistent memories, hyperemotionality, sense of emptiness. Extreme stress neurochemically disrupts décision-making. Risks: Injuries, accidents, contraction of STIs, debt, irreversible regrets. These behaviors can mask suicidal tendencies. Interventions: Limit tempting situations. Propose structured activities (sports, group trips). Therapy to work on emotional impulsivity and cognitive distancing.

"Before doing something crazy, talk to me first. I know you're sad, but please, not tonight. Let's do something together instead, take your mind off things."

11. Social Isolation

Definition: Complete withdrawal from social circles (friends, family, work). The person stops all friendly contact, refuses invitations, and closes off from their environment. Manifestations: Not responding to friendly messages, canceling outings, not attending family events. Closing social media accounts. Days spent alone crying or ruminating. Frequency: Very common in the deep sadness phase. Some traverse the grief process almost alone, believing they're protecting themselves. Risks: Development or aggravation of depressive state, loss of social support, suicidal ideation more likely (lack of witness). Isolation accelerates rumination and can lead to psychological breakdown. Interventions: Loved ones must gently insist on maintaining connection: regular calls, repeated invitations, offer of concrete help. If isolation persists, contact a professional. If thoughts of despair: direct to 3114 immediately.

"I've noticed you're not going out at all. Even if you don't want to talk about your breakup, we can just spend some time together this evening doing something else, how about it?"

12. Violent Behaviors and Threats

Definition: Any act of physical aggression (hitting, pushing, property destruction) or sévère psychological violence (insults, yelling). Threats include explicit declarations of intent to harm, physical assault, or extreme emotional blackmail. Manifestations: Public insults, fighting, hitting. Threats in writing (text, email) or verbal. Public posting of threatening remarks. Often accompanied by very intense loss of emotional control. Frequency: Less common than simple sadness, but always present in impulsive or jealous personalities. A non-negligible number of breakups degenerate into disputes or assault. Triggers: Feelings of humiliation, betrayal (infidelity), need for revenge, influence of alcohol/drugs. Risks: Physical injuries, legal consequences (custody, conviction), spread of violence beyond the couple. This behavior is classified as very high severity. Interventions: Any threat or physical violence must trigger an urgent alert. Call police (17) or 112. Encourage the victim to file a complaint. Safe housing. Associations: 3919 (Violence Against Women Info, 24/7).

Emergency: If you are a victim of violence, immediately call 17 (police), 112 (emergency), or 3919 (Violence Against Women Info). Your safety is the absolute priority.

13. Suicidal Ideation and Attempts

Definition: Recurring thoughts about death or wish to no longer live. A suicide attempt is an act where the person actively seeks to end their life. Manifestations: Pessimistic discourse ("what's the point"), giving away belongings, indirect announcements ("I don't deserve to live"), complete isolation, extreme sleep disturbances. Actions: massive consumption of medication/alcohol, attempting to provoke an accident. Frequency: Rare but not negligible. Studies show increased suicidal ideation in people with anxious attachment after breakup. Suicidal reactions are mostly observed in already vulnerable subjects. Triggers: Despair after losing the relationship seen as life's pillar, deep guilt, trauma from infidelity or sudden abandonment. Risks: Risk of death or serious injury. This behavior is classified as very high severity and requires immediate intervention. Escalation signs: Formulation of a concrete plan (buying pills, writing a goodbye letter), complete abandonment of self-care, departure from all sources of happiness. Interventions: Never leave alone someone expressing these ideas. Immediately call emergency services (15 or 112), the helpline 3114 (24/7), or take them to psychiatric emergency.

If you or a loved one has suicidal thoughts: Call 3114 (national suicide prevention number, 24/7) Or 15 (Emergency Medical Services) / 112 (European emergency) "I know you're going through hell since this breakup. But you're not alone, I'm here now. Let's call for help together, okay?"

Comparative Table of Post-Breakup Behaviors

Harmful Behavior
Typical Phase
Severity
Key Interventions

Silent treatment Initial breakup Low to moderate Émotional expression, restore communication Ghosting Immediate / post-breakup Moderate to high Psychological support, mediation, no-contact Haunting / Orbiting Post-breakup Moderate Block on social media, digital detox Digital surveillance Post-breakup Moderate Digital detox, blocking, alternative activities Benching Post-breakup Moderate to high Clear ultimatum, cut contact, work on self-esteem Stalking / Harassment Breakup or after High Complaint, restraining order, psychological care Idealization / Devaluation Post-breakup Low to moderate CBT therapy, realistic image of the ex Hoarding (syllogomania) Post-breakup High Therapy, gradual decluttering, social monitoring Self-medication Post-breakup Moderate to high Healthy alternatives, addiction specialist consultation Impulsivity / Risk-taking Post-breakup Moderate to high Cognitive distancing, structured activities Social isolation Post-breakup Moderate to high Maintain connection, psychological consultation, support groups Violence / Threats Post-breakup Very high Police (17/112), complaint, emergency housing Suicidal ideation / Attempts Post-breakup Very high 3114, Emergency Services (15), hospitalization if necessary

Recommendations to Limit These Behaviors on Social Media

Privacy Settings: Lock your profile (block non-friends), disable access to stories or old posts. On dating apps, uninstall the application to avoid compulsive scrolling.
Direct Blocking: Use Facebook/Instagram/WhatsApp's "block" function for the ex. This prevents any notification (messages, likes, profile visits).
Digital Detox: Install a screen time control app. Commit to going several days without opening dating apps.
Protect Your Information: Don't post photos or vulnerable information about your new relationship status. Avoid publicly sharing breakup details.
New Online Habits: Create new routines, visit a new forum, read a new blog to occupy your mind.
Online Community Support: Join virtual support groups (forums, pages dedicated to heartbreak) where members exchange without involving the ex.

Useful French Resources

Emergency Numbers

Service
Number
Availability

3114 – Suicide Prevention 3114 24/7 3919 – Violence Against Women Info 3919 24/7 Suicide Listening Line 01 45 39 40 00 24/7 SOS Friendship 09 72 39 40 50 24/7 Youth Health Line (12-25 years) 0800 235 236 Daily, 9am-11pm France Victims 116 006 Daily Emergency Medical Services 15 24/7 European Emergency 112 24/7

Care Structures and Associations

Medical-Psychological Centers (CMP): free consultations for adults and adolescents
General Practitioner: first point of contact for referral to psychologist or psychiatrist
Registered Psychologist: three sessions covered by National Health Insurance
Addict'Aide: 0 800 23 13 13 (alcohol or drug problems)
CIDFF: Women's and Family Rights Information Centers (legal advice)

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This article is published for informational purposes. It does not replace a consultation with a mental health professional. If you're in difficulty, don't hesitate to contact 3114 (national suicide prevention number) or your GP.

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