Wondering What the Typical Guy Would Do?

I just got to wondering what the typical guy would do if his buddy was in danger.  Would he risk his life to save his buddy?  Would he go as far as giving his life to save his buddy?  Or would he run away and do nothing?  The following is a joke that sort of explains what I mean:

Two campers are walking through the woods when a huge brown bear suddenly appears in the clearing about 50 feet in front of them. The bear sees the campers and begins to head toward them. The first guys drops his backpack, digs out a pair of sneakers, and frantically begins to put them on. The second guys says, "What are you doing? Sneakers won’t help you outrun that bear." "I don't need to outrun the bear," the first guy says. "I just need to outrun you."

The whole scenario changes if that buddy is a family member, like a son, or a father, or a brother.  Then a person would be more willing to risk or lay down his life for the other.  But should there be a difference?  Shouldn't we treat everyone like a brother?  If we did the world would never see another war, right?  No, I don't think so.  Brothers have been known to fight each other.  Didn't Cain kill Abel?

I don't mean to depress you, but as long as humans act like humans there will always be strife and wars.  You would think that by now we would realize that war is not a good means to an end.  When will mankind ever learn.  Let me check to see if my guns are loaded. . . and have a great, peaceful day, you hear?