The song is irrelevant to what I have to say.

I never liked you, even when I was a kid. You were always so mean to me, and even when I was a kid I'd hope you would get a divorce so I wouldn't need to see you anymore, just like everyone else that gets divorced. I didn't know how bad those thoughts was until it actually happened. But you made everyone miserable even your children. I don't understand why you didn't understand that. obviously you didn't think about your kids. You left when they were still young, you could have waited until they were all pretty old, not 12 or 15. But no, all you think about is yourself. It's always been like that. Even though he is struggling, I'm pretty sure he is happy without you. He's got us. It might be a little bias, but I'm pretty sure he's happier.