trouble with insecurity

My boyfriend and I want to move further intimately in our relationship (not sex) but other stuff. I’ve always been self conscious of my vagina-the inner part is longer than the outer- I just hate it tbh. He cherishes my body like he knows I’m insecure and he’s always so sweet about it and tries to help but like it’s all me I just can’t get out of my head. Does anyone have any advice, suggestions?