Name changed for this, really need some advice.
A while ago, a friend of mine came into work sporting a really nasty black eye and bruising on the face. I asked her what was wrong, and she breezily replied she had fallen off her heels when drunk. I did have my suspicions, but reserved comment. A few weeks later, she mentioned in conversation that she had rowed with her DP, and she admitted that the bruise from a few weeks ago was from him, and he had slapped her again the previous night. I asked her point blank what she was doing with someone like that, and she told me it was complicated. I am even more worried now, as she is in the process of moving far away from her family and closer to 'D'Ps, making her even more isolated. She also has a DS with health issues, and a DD, and so obviously that is a major concern. She is also seriously lacking in confidence and self esteem, and thinks she isn't good enough for anything else. I am at a loss as to how to help her, as I am usually very opinionated and speak my mind 
but am not sure that is what is needed in this case? Any advice hugely appreciated.