My mom is so brain wash from my step Dad it's so upset trying to tell her it's a unhealthy…

My mom is so brain wash from my step Dad it's so upset trying to tell her it's a unhealthy relationship then she try's to tell me it's not but I know what a unhealthy relationship looks like. I been in a few. :( I guess I'll just have to keep my distance for that & do what's best for my son & husband & not have them around my Step Dad anymore.