I haven’t lived with my parents for 20 years, but I still remember so much they taught me. I keep my elbows off the table, I keep my eye on the ball. I wear sunscreen and check my mirrors. I know how to swim, make my bed, fry an egg, balance a checkbook, and paddle a canoe. And my mom and dad also talked with me about sex. At least a little. I’m grateful they tried. Shepherding our kids in the...