He also judges me; how I dress or if I am late for a lecture,...

She is right “let her be who she is”. I don’t judge people, I respect them for who they are. Of course including my other half. She mentioned “it’s her first serious relationship”. After year, I think they mostly explore each other physically and already she is bathered by being judged along with other things. That could be the reason she prefers to be alone sometimes until the physical side of her gets too much tempted. My point is, if he doesn’t change now, it will only get worse and they will eventually break up. That’s what I think.