Recent content by thepurplekiwi

hi, i'm a 14 year old girl. i'm 5'4, 113lbs. im not fat, i'm on the skinny side but more normal. i have average bmi. at the end of the year, the 8th graders get to have a pool party and i just wanted to tone up for that? my stomach is perfectly flat in the morning and only comes out a little...