Don't burn your bridges, paint them. Life is too short.
Unless of course you have been severely wronged, and I mean severely (it's up to you to decide what the level of severity is). In that case, pour on some gas and light that match.
Also, I understand some are tired of the Harbaugh over-exposure, but for me the man is a gift that will keep on giving until he quits and leaves TTUN with a big "L" strapped to his ball cap relative to his head to head record with Urban.
Brady Hoke was a nice, pleasingly plump man whose main sin was saying "Ohio" all the time. I could never get too worked up about him. But Slippin' Jimmy? They don't make villains like that much these days, so enjoy it.