The Parents Who ‘Don’t Teach Sharing’

This past October, in a Facebook parents’ group I belong to, a mother sought advice for a perennial dilemma: Her son had been enjoying the park swing when another child asked for a turn. Her 3-year-old son didn’t want to get off. He didn’t budge — even as the other child waited, and waited, and asked again, politely.

But this mom wasn’t concerned with her 3-year-old monopolizing the swing set. Instead, she asked the group, “What do you say...