My best friend of over twenty years, K, has a really hard life, with two young sons and an unbelievably sick alcoholic husband. He throws furniture off the balcony, is incapable of working and earning money, pukes in her car, regularly gets arrested, and pulls the covers off of her body to bully her while she sleeps.
She won’t leave him—at this point, she’s as handicapped as he is, and this is more common than you’d think—and I haven’t tried to convince her to do so in a long time. What I do encourage her to do is take care of herself better.