Care and Feeding Photo illustration by Slate. Photos by ~UserGI15613517/iStock/Getty Images Plus and neirfy/iStock/Getty Images Plus.  Care and Feeding is Slate’s parenting advice column.  Have a question for Care and Feeding?  Submit it here . Dear Care and Feeding, My husband and I have a large flower garden that attracts a ton of butterflies this time of year. The other day I found out he has been pursuing a hobby with our 7-year-old son “Nathaniel” that has me appalled: they have been catching and mounting butterflies for display! I think this is terribly cruel; my husband says it’s a fun and educational activity for our son and I need to shut up and let him enjoy it. He’s doing a terrible thing, isn’t he? —Cruel Collection Dear Cruel Collection, I mean—is your husband a biology teacher? An aspiring entomologist? Or is he just tormented by a dark spirit that can only be fed by the screams of dying butterflies?…