To prevent injuries, because if you are running around and exercising, if you haven't warmed up, you could pull a muscle or injure yourself. Cool downs help calm your body down and lower your heart rate.
Relaxation can help lower your blood sugar levels.
Depression or being alone with someone of the opposite or same sex for longer than like 10 minutes
When you take narcotics you can get addicted and when you use it to much you mentally block it out your body gets used to it and you will physically need to take it because you think it’s not working. Once you get addicted you use it so much you could die
