Weight Proble?!

Hi!.!.!. im 13 and 3/4 years old and im 93 pounds and im 5'5!. Most people at this age are like 120+!. I'm average height but not weight!. One of the main reasons for this is i'm pretty athletic!. I got my black-belt in Taekwon-do and have recently started Brazilian Jiu-jitsu!. I was on the basketball team and badminton team this year!. 3 times a week I weight train and run three miles on my tredmill with high incline!. I just dont know what to do!.!.!. its not like im that scrawny or weak!.!. in fact i'm way stronger than those people who weigh like 140 poounds!. I eat alot and I eat healthy but yeah can somebody just help me!?Www@Answer-Health@Com

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