fuck knows. I like dogs. if they want to lick there balls they just do and when they go for a walk they just want to go for a walk. my dog doesn't want to bomb North Korea though he probably should.

Because we search for reason to give us the strength to carry on. Being able to trace our origins gives us a better understanding of why things are the way they are and what can or should be done about it.
It is an old way of thinking that puts humans on 'teams' where one has to be right and one has to be wrong. It gives us a lot of energy when we can define an enemy. Defining your world without losing yourself in it is not as easy.

So far coexistence among humanity has proven to be as allusive as Big Foot.