Because of the attempt
Your body releases endorphins when you exercise. Because exercise is good for you, the endorphins tell your brain to feel good, to encourage you to get more exercise.Why do i feel good after a workout?
It is because of many reasons :
1. It unleashes happy chemicals compound into your brain..
2. It decreases your life stress
3. It charge you with high energize
5. It removes anxiety as well as insomnia