I can't concentrate on ANYTHING when I'm around other people. I can be looking at the most interesting thing, and then when someone drops by, even if they aren't directly socializing with me, I can't concentrate on what I was reading OR the person. I just suddenly feel like I can't do what I was doing until they leave, so I end up hyperfocusing on patterns on the wall or random thoughts of things I did earlier, or stimming a lot more than I usually do while putting up the usual conversation responses to make it seem like I'm interested when I'm not too distracted (my friends know I zone out a lot, and have come to tolerate that much). If it happens while I'm on the computer, I sometimes just stop what I was doing and open up minesweeper or tetris to distract myself, but I just can't get back to what I was doing while in the presence of another human being. This invariably gets me frustrated because I am neither interested in what they're saying, nor can I return to what I wanted to do. I don't like just telling people to go away either, because they seem to not like that.
Anyone else have to be COMPLETELY alone to concentrate on stuff? Have any idea how to deal with it?
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Inspiration strikes not on command, but instead waits for the appropriate moment.