moma's boyfriend

I'm not sure if I worded this correctly lol But my parents broke up in 2000, due to my pops cheating on my mom with a pole dancer. Ever since then, my mom's been getting DRAGGED for 17 years by her boyfriend who CLEARLY has no plans to commit to her. They'd broken up for about 2 years...

I'm dealing with a lot teens who are going through this, but I don't what advice to give. Alot of these girls don't like him because he's not their dads. Sometimes tell them what to do. None are in abusive relationship as far as I know. But they don't respect them because they're living with...