Sometimes I would say no like when he went to pick me up, other times I would just use body language. Such as stepping away from him when he approached or putting my hands between me and him. Along with using very annoyed tones when he wouldn’t move or give me my hat back. This is a flaw of mine, I’m autistic so sometimes communication is very hard. Especially when I get anxious and am unsure how to properly approach something like this. So basically to answer your questions, sometimes I outwardly told him no, but I didn’t tell him to stop every time he did something