Hi am omar and the answer will
To run faster
When you exercise, your body produces something called endorphins (it's sort of like morphine), and it makes your body feel less pain and make you feel more happy. In this case, the endorphins combat your stress and make you feel better mentally.
Eat healthy and do stretches. The best thing a 12 year old to do. You're too young to do anything super serious imo
Yes it can memo and e mail are the best way to communicate
