This is a newsletter bonus question. Care and Feeding is Slate’s parenting advice column. Have a question for Care and Feeding? Submit it here. My husband and I have 7-year-old twin girls, “Chrissy” and “Sarah.” Months ago, we signed both of them up for soccer. Now that the spring season is in full swing, it has become clear that Chrissy loves it while Sarah hates it. I was hesitant to sign Sarah up along with her sister, as Sarah is a major introvert, but my husband insisted.