HELP!

Brenna • Brenna Payne

I'm 13 and I'm severely insecure about myself and I also have stretch marks on my thighs and it makes me feel very fat and obese I work out 3-4 times a week and I watch what I eat and am on a diet but I weight 145 pounds what do I do to feel better about myself and not so insecure I just feel so ugly cause every girl in my school is skinny and has a bf. pls send help😭