and “love you!!” to my wife as she’s heading out the door for work (“love you???” on Gchat means I’ve gotten myself into trouble with her and I’m searching for a way out).

“In practice, it turns out our waves of love didn’t sync all the time. Then I associated [I love you] with not so much being in a solidly loving place.” Caleb Pate, a 27-year-old man in ...