I can understand your frustration, but it seems like you are focusing too much on trying not to stutter and you end up stuttering even more. You were not born with a defect, stuttering will not stop you from being happy, there are millions of people who stutter around the world and they can be happy, if they can, why can't we? She said you are ugly, so work on your appearance, do weight training, skincare, this will improve your self-confidence, do it for yourself.