Do ask your mum. It is ok, you will get a new T who will work through this trauma with you and with time and patience you will be fine around men.

Look at it this way - you are so young but have already figured out that you are not a lesbian. So you already know a lot about who you are. Many people your age are still confused and unsure and you are certain about something that is pretty important iin our lives. So there are some positives if you start regard this realization as your big achievement.