Another thing you might not have known about me: I love logic problems. I feel proud of myself when I can solve a problem that requires thought and wit (especially when other people can't). I give myself a hypothetical pat on the back. So here is one in particular which I just solved and found difficult yet not impossible:
Between a husband and his wife, the couple have lived a total of 91 years. The husband is now twice as old as his wife was when he was the age she is now. How old are the husband and wife now?