How do I know they're the right one this time?

No one can tell you that, and you already know why: you were sure once before. What you can do this time is rely less on the feeling of certainty and more on evidence that builds over months. Watch how this person handles ordinary trouble, notice whether the two of you can talk, and ask whether your doubt is about them or about the way your marriage ended.

Why doesn’t feeling sure count for much anymore?

Priya is 43. She was married for 14 years and has been divorced for two. She has been seeing Tomas for five months. Last Sunday he fixed the sticking drawer in her kitchen without being asked, and she felt a wave of something warm. Then, almost at once, a cold thought followed it. “I felt this with my ex. I was certain then, too.”

That second thought is not foolish. It is earned. Priya was sure on her wedding day, and the marriage still ended.

It helps to look at what actually ends marriages. In a survey of 886 divorcing parents in Minnesota, the two most common reasons people gave were growing apart (55%) and not being able to talk together (53%).1 Both of those are slow. Neither one is easy to see on a wedding day, or on a good Sunday five months in. So the useful question is not “do I feel sure?” It is “how do we handle the slow things?”

Were there signs I should have seen?

Maybe, and it is fair to look. Researchers asked 464 newlyweds whether they had ever been unsure about getting married.2 In two out of three couples, at least one partner said yes.2 Four years later, 19% of the wives who had doubts were divorced, compared with 8% of the wives who had none.2 For husbands, the figures were 14% and 9%.2

Two things are true here at once. Doubts carried some real information, especially for wives. And most people with doubts were still married four years later. A doubt is worth listening to. It is not a verdict.

Keep in mind who was studied: newlyweds, followed for four years. The study was not about people dating again after a divorce.

So if you remember a quiet doubt you talked yourself out of before your wedding, you do not need to punish yourself for it. Just notice it. This time, when a doubt shows up, you can say it out loud instead of filing it away.

Do I keep choosing the same kind of person?

Some people do, a little. In a German study that followed people for several years, researchers compared how the past and current partners of 332 people described their own personalities.3 The new partners tended to resemble the old ones, more than chance or simple similarity to the person themselves would explain.3

That is not a warning on its own. You may like steady, quiet people, and steady and quiet are fine. The question is whether the trait that hurt you is back.

Try the ex test with a two-column note. On the left, write what Tomas (or whoever it is for you) actually did this month. On the right, write what it reminded you of. “He went quiet for a day after his work trip” goes on the left. “My ex went quiet for a year” goes on the right. Only the left column is about this person. If the left column stays calm and the right column keeps growing, the doubt is mostly the old film.

Will this relationship turn into the old one?

Not automatically. But some of you comes along. Researchers followed 554 people in a German family study across two relationships.4 Things got worse as the first relationship ended, improved sharply in the next one, then slipped again over its first year.4 By the end, people were about where they had started on satisfaction, conflict and closeness.4

That study was not limited to divorced adults, and averages hide a lot of people who did much better. Still, it says something useful. The lift of a new relationship is real, and it fades. The way you handle conflict travels with you. That is good news, in a way: it means the part you can work on is yours.

Is the feeling worth anything at all?

Yes. It just answers a different question. In a study of speed daters, people reported more than 100 traits and preferences before they met.5 Computer models could predict who was generally desirable. They could not predict who would want whom in particular.5 That spark only shows up in person, and it matters.

So let the feeling tell you whether to keep going. Let evidence tell you whether to build a life. Attraction says nothing about how someone acts in a hard month.

What if the doubt never lets up?

Some doubt is normal after a divorce. But if you are checking your feelings many times a day, asking friends for reassurance over and over, or feeling real distress that does not ease, talk to a licensed mental-health professional. You may come across the term “relationship obsessive-compulsive patterns” online. It describes doubt that becomes stuck and repetitive, and only a qualified professional can say whether it fits you. A good therapist can also help you sort what the marriage left behind.

What to do this week

• Write the two-column note. Three entries is enough. Keep the columns apart.
• Watch one ordinary problem. A canceled plan, a sick kid, a money question. How does this person handle it? How do you?
• Talk about one slow thing. Not “where is this going?” Try money, time, or how each of you acts when you are upset.
• Say one doubt out loud. Kindly, as yours. See what happens to it.

On Wednesday, Priya told Tomas that being sure did not settle much for her anymore. She asked how he handled bad weeks. He thought about it, and then he told her the truth: he goes quiet, and then he calls his brother. She wrote it in the left column.