I've had stretch marks since the age of about 10 when I grew about 6 inches in 6 months. It's no biggee. They fade. But they don't go away. When I was young, I was always thin. I spent hours upon hours in bikinis. No one ever noticed or mentioned anything about my stretch marks. Boys didn't seem to be bothered by them. It had no negative effect on what I wore or how I felt about myself. I think people are more drawn to confidence than anything. Enjoy life and don't worry about this issue. Everybody has some kind of scars from something. I hope you do let this minor issue take away from your fun. Take care.