I'm F 15 164cm 41kg and I'm trying to gain weight but idk how much weight should I gain and mantain???? Cause I'm trying to like just go to the gym and lose bf% cause I'm js skinny fat but I don't think I should mantain 41kg?? Cause it's like 15.2 bmi ( gen please just give me a number sobs I've got no clue
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