Answer: Double Bounce
One of the most confusing things about this game is the double bounce rule. After each serve, the teams must make a groundstroke before volleying the ball. A double bounce is different from the ball bouncing twice.
Explanation:
This is very true, and it is almost like the fight-or-flight response, where your body gets the adrenaline rushing and that is when you hear about people being able to lift cars and jump from 6-story buildings. It is a natural instinct of survival that we all have inside of us. Hope this helps.