Raising kids is infinitely more difficult than you ever dreamed. But then one day you wake up and your kids favorite artists are Michael Jackson, John Denver, and The Beatles... and you realize you're crushing this parenting game.
#4 don't be angry. I'm not saying to avoid your anger, but I am saying to deal with it. Unresolved anger is violence you commit against yourself. Sure, you probably have a right to be angry, but you also have a right to move on and live a better life.