Maybe it's a tired tale, but without an education, you're not going to go anywhere.
In more than 20 years I've spent studying the issue, I have yet to hear a convincing argument that college football has anything do with what is presumably the primary purpose of higher education: academics.
If you leave your wife and you don't ever contact her again, that says something about how you felt about the marriage.
There are the medical dangers of football in general caused by head trauma over repetitive hits.