...at least with me, though I am admittedly socially stunted. 1. If you start an invitation with, "You probably can't/don't want to, but..." I'm going immediately assume it's something you want me to say no to and you are only asking out of politeness. Yes, I've said no to things I really wanted to do because I assumed I wasn't really wanted there. If you want me to come some where or do something just ask me. 2. If you don't send me an invitation or invite me personally to a social event I'm going to assume you don't want me there, and thus will not attend. 3. Ignore me long enough, even if we used to be very close and I'll assume it's because you don't like me or are embarrassed by me and will eventually stop attempting to connect with you at all. 4. If you don't invite me to a social event that you assume I wouldn't want to go to so that I won't feel obligated, and I later find out that I was supposed to be i