Or maybe you were just a big kid, which made you hit harder than most. If you really want to know the answer to that question, ask yourself: was it gratifying?
There's a difference between tackling someone and screwing them into the ground.
I was bigger and hit harder than most of them. It was gratifying. It's like it was my way of showing everyone I was better than them. I still catch myself doing stuff like that once in a while.