All too often
Usually my boys answer before I can. Especially to the "twin" question. My friend's son is autistic and we were at the bank when a lady kept staring at him. He was growing more & more uncomfortable until he finally looked at her and said "I"m autistic, what's your excuse?" Her jaw dropped and she left. I waited until I was out of sight before I started laughing. We get a lot of feeding tube questions, especially now that it's gone. It looks like M has 2 bellybuttons.
The question that annoys me is the "what happened to M's mom?" when they find out he's adopted. If it's someone I don't know I respond with "wow, that's a really personal story". M will answer that she loves me super much". I've always told him that she did the hardest thing ever by letting him live with me.
Anyway, that's a bit off subject.