In regards to a service animal, why do people think it’s okay to ask about someone’s personal medical condition. I too would get tired of being questioned. I also would be evasive with my response or bluntly tell them it’s none of their business, depending on my mood. Yes, he does have a sign telling people to stop asking him where the dog goes to relieve itself, that Tommy is a service dog and please don’t touch him. He may have a legitimate need, but he also needs to ensure that Tommy is properly trained.