I love watching my kids play sports. I’m a quiet person by nature, but when a game gets intense sometimes I yell a little. And sometimes I grind my fingernails into Corey’s leg. And sometimes I think he’d prefer to sit with someone else. As much as I enjoy watching my kids play, extra-curriculars on Sunday are hard for me. When I was growing up, Sundays were untouched by youth sports. In fact, they were untouched by pretty much anything but church and family. (I can’t think of a business that was open in my small hometown on Sundays.) Our culture has changed,…