They're just passionate about it. Their parents and their parents' parents probably were big Cubs fans and Red Sox fans. It's just carried down through the generations.
You could probably tell me better than I'd know, but the Bears fans may have been different than Cubs fans,
I love it here. I really got to see a different side of it yesterday. Going to the hospital and watching on TV, you see the other stuff that goes into the games. It made me realize why I love the Cubs as much as I do and why I want to play here.