Shoulder Checking In Hockey

You’ve seen it. At least once in the hall. Maybe you've even done it to someone. Some people call it a “shoulder check”. This name is based off a term in hockey. This is because the actions are somewhat similar to each other. Shoulder Checking in hockey is running your shoulder into another player’s shoulder. This is usually done while going full speed down the ice with your shoulder. Shoulder checking another person in the hall is still running your shoulder into theirs. It is much less violent than in hockey and is obviously not done on ice.
When someone shoulder checks another person in the hall usually happens something like this. You're walking down your school hall and spot your enemy walking the opposite direction. Now you know you are still in school and fighting will not be tolerated. However you still want to let them know who’s the boss. So in the most inconspicuous yet still threatening manner, you strike. As they walk by, you drive your shoulder into theirs. They continue on to avoid being tardy to class. Looking back they shoot you a dirty look. You know you won that battle though. A classic example of a shoulder check.
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Is it because at the core you don't really care about others? Than man is naturally born evil, not evil in the way that superman had General Zod or Spiderman had the Green Goblin, Evil in the way that when it comes down to it we always put ourselves above others? Shoulder checking friends is a way to show dominance towards others you are close to. One way of saying: “ I am more powerful than you.” It is a constant battle, a constant thumb war of who can get on top of the friendship and social pyramid. Even when you know by doing this, by shoulder checking your friends, you are stepping on them to push your way up. You would think friends should have more regard for each other yet it still