Let's give more examples why do some poeple like ridding motorcycles and some don't? Why rodent everyone like pizza? Why rodent everyone do what ever It rodent matter what the question the answer will be they same. Everyone is different. We all have different experiences think different thoughts try different things like some of them don't like others. There is no other answer. There was an event or series of events that led you to do something and you liked it so you kept doing it, what ever it is.