No, I don't have to quit because of that, but since I actually got up, grabbed my stuff and walked off, and went to my bus and went home, I can't exactly explain it away either. (When I posted here, it was long past the end of the rehearsal.) It's a recurring pattern for me, and I have to deal with it in a way that's not disruptive to the choir in any way. I've had a couple of people contact me to ask if I'm ok and I've told them I'm fine. So I have some time to think about it. I'm afraid I'll take the easy way out and just go back, but I know it would be better for me to quit. I doubt I will have the courage to do so though. I'm not sure whether to mention this to T today or not.