There are many, many of those special moments in every young mans life when he learns about his body.
What it can do ..What a wonderful instrument it is... How to develop muscles, What feels good and what hurts !
This young man is simply having one of those special, curious, "teachable moments".
We're pretty sure he learned the lesson.
And now , because of this video, will be known as "The Maniac" for all eternity !