I'm gonna have sex with a boy, who is 16 and im 14 but we are doing it at his shore house and we have to be very quiet because where doing it in his bathroom and his parents are there, but how are we going to hump quietly?

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny. i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dancer so i get cardio a lot)

What conditions are unaffected in physical conditions

What does fi stand for in the fitt-vp principle of exercise prescription?