My two DDs are opposites. DD8 (the identified gifted one) loves meat. She devours hamburgers, hot dogs, and especially loves bacon. When we visited our friends in the country who were raising pigs for 4H I explained where bacon comes from. She had previously met the alive pigs and then had the bacon on the plate. She paused ever so briefly and then requested more bacon. Younger DD does not like meat at all. It makes mealtime difficult. I also have a hard time finding protein sources that younger DD will eat. She will like something like edamame or garbanzos for a while then hates it. I do try to change it up but don't want to rely on dairy strictly for her protein.