Every time you suppress some part of yourself or allow others to play you small, you are in essence ignoring the owner's manual your creator gave you and destroying your design.
I'd lose weight if I was an actress and had to play a role where you're supposed to be 40 lbs lighter, but weight has nothing to do with my career. Even when I was signing a contract, most of the industry knew if anyone ever dared say lose weight to me, they wouldn't be working with me.