I'm not the prettiest thing to look at either but ya know what? It doesn't matter because I don't want those who can't see past my exterior in my life any way!
He obviously sees things in you that he likes and admires. Trust him in this, who knows how he feels better than he does?
It IS a long, hard road to self acceptance. I've traveled that road. I've been physically, mentally, emotionally & sexually abused. I still find myself going down one of the side paths once in a while, those places where I know I don't need to go buy my mind insists on revisiting some old haunt any way
You will find your way.
If you want/need to PM feel free