Ex trying to turn son against me

I go to pick up my son from his dad's just to hear his dad says that since he's two years away from adulthood he needs advice and his advice is to be single and never date a woman and that women only want men for their money which is why they always get everything in a divorce. That women are lazy slutty bitches that want to run around with their ass hanging out when they have husband's and think that being a sahm is a job when nobody gets paid to take care of their own kids and women are greedy and entitled to think they should be paid to take care of their own kids. Guess who was a sahm before the divorce? He told him to stay single because all a women will do for him is kill him and take his money and women are the he reasons men turn gay......

How all that is b.s. Yes I was a sahm but I never wanted to be "paid". I just wanted access to our funds. We divorced because he cheated on me 8x. And gave me an STD. And in the divorce I didn't get anything besides half the money from the house we sold. I walk in and say "Wow! Amazing lessons to teach our kid." He rolled his eyes at me. We got in the car. My son asked was I okay I said "No. Your father's a fucking idiot and I hate him!" Although my step mom tells me not to bad mouth my kids dad Infront of them I can't help it sometimes p