More ideas that might help you to feel stronger:
on things that you enjoy or feel good at, to build your confidence
your feelings down, keep a journal, or write him a letter that you don't have to send
to music that has lyrics in it that make you feel stronger
attention to and trust your feelings and gut instincts
that you don't deserve to be treated this way
it's not your fault that he behaves this way
of the way you've been able to be strong and of the ways you have found to keep going when you've felt so much confusion, fear and hurt.