I already posted about this in the eating disorder forum but I have a sort of follow-up question I want to ask here.

So yesterday, I tried to purge for the first time. I don't think it had anything to do with wieght loss; I think the urge stemmed from wanting to replace my old SI behaviour (cutting). I wasn't successful in my purging attempt and I never want to try it again. It was a horrible experience. Anyway, what I want to ask is: should I tell T? I know the obvious answer is yes but I am so ashamed. I also think that if I am never going to do it again what is the harm in pretending it never happened? What should I do?