Is the person I'm dating losing interest, or is it my divorce talking?

Often it’s a bit of both. Your marriage taught you exactly what a slow fade looks like, and that lesson is real, but it can also go off on a quiet week that means nothing. The way through is to track what this person actually does over a month, keep it apart from the old film, and then ask them.

Why does a quiet week feel like the end of my marriage?

Meet Teresa, 52. Her 22-year marriage didn’t end with a fight. It ended with silence: fewer questions at dinner, a husband who stopped planning anything, and then, one spring, an apartment across town. She’s been seeing Rob for four months. This month he’s canceled twice, once for a work trip and once because his mother was ill. On Sunday night he was pleasant on the phone but didn’t ask about her week. Teresa felt her stomach drop, the same drop she felt in her kitchen five years ago.

That drop has a history. Long marriages that end quietly often end exactly this way. In a 14-year study of 79 couples, John Gottman and Robert Levenson found that couples who fought hard tended to divorce early, around 5.6 years in, while couples who disengaged emotionally tended to divorce much later, around 16.2 years in, and a lack of positive emotion was what predicted those later endings.1 Ted Huston’s work on newlyweds points the same way: the marriages headed for divorce showed disillusionment, an abatement of love, less open affection, a weaker sense that the spouse was responsive, and more ambivalence.2

So if you lived through a fade like that, you learned to read real signals. Your radar isn’t broken. It was calibrated on a marriage, over years.

Why does my radar fire so easily now?

Because it was trained on years and now it’s reading weeks. Those marriage studies watched change unfold slowly. In a new relationship, two canceled dates in one month can feel like the last year of your marriage compressed into a fortnight, when they may just be a work trip and a sick parent.

How your marriage ended matters too. Researcher Max Brüning, studying separations of romantic relationships, found that the person who initiated the breakup tended to see their well-being improve afterward, while the person who didn’t initiate took significant short-term losses in well-being before recovering in the long run.3 If you were the one left, your alarm system took the bigger hit, and it may be quicker to fire.

There’s also a quieter effect. After a breakup, people tend to lose some clarity about who they are, and researchers Erica Slotter, Wendi Gardner and Eli Finkel found that this self-concept confusion predicted much of the distress people felt.4 When you’re not fully sure who you are yet outside the marriage, it’s harder to trust your read on someone else. “Is it them or me?” is partly the divorce asking.

How do I tell their behavior from my history?

Split every worrying moment into four parts, as Teresa might:

• What happened: Two cancellations with reasons. One call where Rob didn’t ask about her week.
• The reading: He’s checking out, like my husband did.
• The fear: I’ll miss it again, and wake up one spring alone.
• The next step: Watch the month, then ask him.

Then look at the whole relationship, not the worst evening. The signals that tell you most are the ones that held up in those marriage studies, warmth, affection, responsiveness, plus the practical ones: does he follow through, does he offer new plans when old ones fall through, is he curious about your life, does he mention anything further ahead than Friday? How fast someone replies is not the best signal.

For Teresa, the month looks mixed but not empty. Rob rescheduled one of the two dates himself. He invited her to his nephew’s graduation in June. He also has gone a couple of weeks without asking about her kids, which he used to do. That’s one real change worth asking about, not a pattern of fading.

The test that helps most: would this still bother you if you’d never been married? If a friend with no divorce behind her would also notice, take it seriously. If it only stings because it sounds like your ex, the history is doing much of the work.

What if they really are losing interest?

Then you’ll find out by asking, sooner and more cleanly than you did last time. That’s the hidden gift of your history. You no longer have to wait out a fade for years. You can say, at four months, “Something feels different. Is it?” and believe the answer, or the vagueness.

And if this fear is with you most days, keeping you up or making it hard to enjoy anything about dating, a licensed mental-health professional can help you untangle the old ending from the new beginning. That’s not a sign you’re too damaged to date. It’s a sign you take your next chapter seriously.

What to do this week

• Keep a one-month log. Plans made, plans kept, plans rescheduled, questions asked. Just behavior, no interpretation.
• Run the never-married test on whatever is bothering you most.
• Notice where you are in the cycle. A quiet weekend after a hard custody handoff will feel louder than it is.
• Ask once, warmly. Use one of the scripts above, in person or on a call.
• Judge by what happens next, not by how the silence feels on Sunday night.