I used to do a lot of martial arts and have a tendency to swing when I get scared too. I don't mean too, but sometimes it's a reflex that I can't control. A couple years ago I elbowed an actor in Club Blood, I apologized immediately. Luckily it happened to be someone that I knew and they were fine, but I still felt bad. I usually don't go through many mazes because of this, but I still can't stand that people would do something like this on purpose, when they know that they're going to be scared.