Kids are like sponges. While there is room for debate over "nature vs. nurture," there's no denying that kids are products of their environment.
As a father of a 7 year-old boy, and a dyed-in-the-wool sports fan, it really is no surprise that my son is already hooked on any activity that includes a ball, bat, puck, you name it.
As a dad, I am constantly also trying to set a good example