My mom has been driving me and my dad crazy. I think she might have borderline personality disorder but I'm not sure. But I know that something is wrong.

15 minutes ago, my dad threatened to jump out of our apartment window. I don't know whether he was being serious or not, but he was at the window and he was sobbing and stuff and yelling stuff about my mom, and my mom was just yelling at him and telling him that he has issues when all he ever does is try to please her. I know that it doesn't matter whether he was being serious or not and that either way it is bad. All me and my dad ever do is gauge her reaction and act accordingly. She always refuses to admit that she's wrong. She's embarassed of my dad and I don't know what to do. At the same time she does a really good job of acting nice so ofc no one else suspects anything. When everything's great it's great. When it's not it's really not, there's not in between.

I'm personally on my dad's side. But I can't say that, right? And my parents have effectively isolated us from everyone outside the three of us and I don't know what to do or if I should do anything or what.

Please, any words of advice, anything.

- AJ