I've been subbing for teacher assistant jobs, trying to get a permanent one. I have been asked back by several teachers so I know they like me, but I think I'm trying way too hard. I agonize over everything and come home feeling exhausted. This leads me to have less confidence in myself. Like today for example, I was supposed to supervise the kids on the computers (supposed to play educational games) and most of the kids were just drawing. So I asked the teacher if it was ok and she said yes. Now I feel like I shouldn't have bothered her. I guess I'm so afraid of making a mistake, anyone have any suggestions?