Totally. I have more experience than I want to have with food sensitivities & kids. It's such a pain in the ass. They're worth it, of course, but food issues make dang near every life event more complicated than it should be.
We are pretty lucky though, being in Austin.. There are plenty of places we can eat out even that accommodate his diet. We even found a local icecream shop that sold goats milk, gluten free icecream, and it was the best icecream I have ever had!