Under the file marked “My Family’s Quirks” is the knowledge that granddaughter Joslin has a rough time saying goodbye. She loves her family and friends with such fervor that whenever it’s time for her to part from any of them, she struggles with her own bereft sorrow. Knowing this, we plan ahead...

The Walters family has two sons, aged four and seven. These sweet boys look so much alike that I do a double take each time I see them. Their mom dresses them in matching outfits for holiday photos, and their parents hear a constant litany of how much they resemble each other. But appearance is...