I am a fit male in my young 20s. Starting last year I began getting stretch marks all over my sides, butt, hips, groin, and biceps. I have not had any kind of growth spurt or fat gain. I have lost a slight bit of weight but we're talking about maybe 15 pounds total and mostly on my tummy. I went from 185 to 170. These marks occurred before that weight loss however. My entire body is covered in these disgusting marks and I don't know why. How do I stop this and how do I fix them? All I'm told is that there is no way to do so other than expensive cosmetic treatments but considering I did not do anything to get these, this seems incredibly unfair. This is really messing with my head and they constantly itch. Please help!