Why do you like sports?

Maybe I’m a sportsball person, I don’t know. I’m not antagonistic to sports, but I don’t get it. However, my son is getting interested in sports, so I’m trying to learn more so I can share that love with him. We took him to an NFL game as a present, and I felt like I was in a foreign country.

Please help me get it. What is it about sports that you enjoy? How do you decide what team to root for? Why does it matter to you?

EDIT 1: Thank you so much for these insightful comments. I have never thought about sports in many of the ways you described. Please keep the comments coming, but know I appreciate them.