One is to go find help and talk to a professional like a counselor. You could talk to your doctor and they can refer you to a physiologist. You could also go find a hobby and do something that you love. Of course it's best to talk to your doctor and talk with a parent, teacher, some adult you trust
Elevating his feet could help ,in shock u should not give the person anything to eat r drink.
1. slow down his body after exercise
2. rest between heart beats
3. how intense the exercise is
4. physically fit
A helmet is the best!! So C!