The kind of woman a man always comes back to, according to behavior experts like Robert Waldinger, a psychiatrist and director of a Harvard study on happiness, are free-spirited and genuine women.

Robby looked as exhausted as his opponent when the fight ended, but the man who comes back had come back again, and he had done it with authority. “Daddy is the greatest,” exulted Ray’s ...

The other kind of man stays. This has nothing to do with ... You can have the type of guy who comes back, or you can have the type of guy who never leaves in the first place.