“Last week a lady called and asked me how to sign a card for a baby shower,” Princenthal said. “I mean, that’s not exactly something to look up. I just said, ‘How about . . . “Best wishes”? Or . . . “Congratulations”?’ Just off the top of my head. I didn’t consult any source. She seemed happy with that answer.” She then added, “There are a lot of lonely people out there.”