Most important thing is to realize that you're not him. I hate how society tries to blame people for their parent's BS, but people never attack parents for treating kids bad.
You don't need their approval to live your life.
Do what makes you happy and free, no matter who you piss off.
That's what it means to be a pirate. To throw away any ties that keep you from being free, and realize that anyone who hates your happiness, really is your enemy. Kick their ass by being happy, anyway.