Not everyone has the same "normal"
My Mother works with the mentally disable. She has a lot of different people that she serves. Sometimes they come to our house when she is working with them and we all might go out to the store or to eat and a lot of people stare when they make a funny noise or do something that doesn't make sense. They cant help some of the things they do so when it would happen i would try to do something to help the situation not look so awkward. like grab there hand and make funny noises with them and start dancing and they would smile and dance with me and not feel like they did something wrong or socially inappropriate for our normal.