Answer:
just drink a lot of water and take a nap if you're not to distracted (;
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.
Answer:
It depends, but I think you're referring to mental abuse.
Explanation:
Mental abuse can be light, or very severe. Mental abuse can lead to trauma or harmful behaviors.