I have recently found out that my girlfriend has an abusive father, and without going into too much detail, I can tell you for certain that this is true and she is not lying. She says it doesn't happen very often, only when he gets extremely mad, and that anger is directed at her. She says that he is on medication for anger issues, realizes what he has done, and she says that he is "as good as he's going to get." I do not accept this.
I really feel the need to do something about this, but she has told me that if I do she will never trust me again(She doesn't want me telling anyone either). I am very protective of her, and I feel enraged that she has something like this happening in her life.
I'm only a teenager and I have no idea what to do in this situation. Her mom is very nice, I'm not sure if she knows what is going on.
I would appreciate advice on what to do. I don't want to lose her, but I love her and I am willing to if it ends up helping her in the long run.
We are both 17, by the way.
Sincere thanks for reading this and giving advice.