Your bf sounds much like mine, a rare find indeed! I don't know much about BDD to be honest, but I do have my own issues that range from depression GAD and OCD. I opened up with my issues rather early on and found out that he in fact had issues himself (rehab and self injury) which didn't bother me, in fact it made me feel more open to talk about my issues and him to as well, I guess the point I'm getting at is to have the courage to be upfront and honest, you never know when someone else has secrets they don't openly share until they feel the "right connection" and person to talk about it to. It could go either way, I understand that fear too, been there But if he really is the perfect guy, he will understand, not judge, respect your honesty and most of all, help you find solutions, offer to help somehow or just be that ear to listen when you're feeling down. I hope it works out in your favor, you deserve to be loved no matter how badly you may feel about yourself. He finds something in you already