Last night, my husband, Peter, and I went to see the play “Come From Away.” I read about it last year, waited for the day tickets were available, and bought the very best cheap seats I could buy. I love going to the theater more than almost anything, so you might be surprised to learn my husband is not much of a theatergoer. I’ve learned, over the years, if I ask him months in advance, he imagines the date will never come and agrees to go with me—and that’s what he did when I asked him last December about this ...