Sternberg: When Passion Fades but Commitment Still Speaks in the Messages

Passion fades — so what?

It's one of the most widespread anxieties: "We no longer have the passion of the early days, does that mean we don't love each other anymore?" Sternberg's triangle gives a reassuring and demanding answer at once. Passion (desire, intensity) is, of its three components, the most volatile: it peaks early then declines naturally. What distinguishes a couple that lasts from one that fades isn't the maintenance of passion — it's the handoff taken up by intimacy (deep connection) and commitment (the decision to last). Crossing the decline of passion with the state of the other two components, in messages, tells the essential.

In the article that follows, I explore how to read your partner's messages. I also want you to know about ScanMyLove, a tool that analyses your conversations with your partner from a simple export of your exchanges. The results help you understand the interaction and the patterns at play in your relationship.

Why the crossing reads in the evolution

A message less passionate than before means nothing. What matters is the crossed evolution: while passion drops, do intimacy and commitment rise, stagnate, or collapse too? This dynamic only shows by comparing periods.

The written word allows this longitudinal view. Re-reading the history, you observe two opposite scenarios. In the first, passion declines but confidences deepen, plans sharpen: love matures. In the second, passion declines and everything declines with it — no more confidences, no more plans, exchanges reduced to logistics: the bond fades. It's this crossing of curves that informs, not the drop in passion itself.

🔗 Analyze your conversations with ScanMyLove — Want to see whether intimacy and commitment are rising as passion fades? Your message history traces those curves across time.

What the crossing reveals

• Maturation: declining passion + rising intimacy and commitment = a healthy evolution toward lasting love.
• Extinction: all three components declining together = a real warning signal.
• Imbalance: residual passion but no intimacy or plans = a relationship held by habit or desire, with no foundation.
• Asymmetry: one invests commitment, the other mourns lost passion — a gap to name.

The right question therefore isn't "do we still have the passion?" but "what has taken over?"

Reading the crossing in the history

• The passion curve: do expressed affective intensity and desire drop (normal)?
• The intimacy curve: do confidences, support, connection deepen?
• The commitment curve: do plans, projection, constancy strengthen?
• The superposition: do all three drop together, or do intimacy/commitment relay?

Comparing these evolutions from memory is impossible. The analysis from ScanMyLove helps read these trends in your exchange history — the evolution of affective substance, confidences, plans — to tell a maturing love from a fading one.

Accompanying the evolution

• De-dramatize the drop in passion. It's normal; its disappearance is only a drama if nothing relays it.
• Invest in intimacy. Confidences, sharing vulnerabilities nourish the bond when desire settles.
• Reaffirm commitment. Talking about the future, about plans, consolidates what passion no longer carries alone.
• Revive without betting everything on it. Passion can reawaken, but it shouldn't be the only pillar. A psychological test on your love needs helps see what's missing; and support at the practice supports the transition to a lasting love.

The written word shows what takes over

Fading passion isn't bad news — it's a stage. The real question is knowing what grows in its place. The written word, by preserving the evolution of the three components, answers: it shows whether intimacy and commitment relay the desire, or whether everything fades together. Where the drop in passion makes you fear the end, the history reveals whether love matures or exhausts itself — and a couple where confidences deepen as the fire dims says more about its duration than a couple held only by the intensity of its beginnings.

Gildas Garrec, CBT Psychopractitioner