DEAR ABBY: After my future son-in-law moved in with our daughter, my husband and I stopped by unannounced to visit. He answered the door in his underwear and never bothered to go put on a pair of shorts. We didn’t say anything and, of course, didn’t stay long. It was close to Christmas, so we bought him a robe and my husband jokingly told him, “We figured you didn’t have one since you stay in your underwear when we’re here.” Even after that, he still does it. I finally told my daughter, “Since he can’t take a hint, please tell ...