Advice for family who's been cheated on and riped off?

one of my family recently founded out that she was cheated by her husband. They are in divorce proceeding right now, and her husband wanted to claim half of marital assets, even though about 90% of their joint asset are earned by her. While it's true under the law he is entitled to half of everything they own, she feel given the fact that he cheated, he should at least be apologetic (which he is definitely not right now, in fact, he has just moved that uber classy other woman into the house they shared and flaunt the whole thing right in front of her) and only take away what he put into the marriage. anyway, she is feeling really hurt and angry right now and she is thinking about fighting him in court, even if it means she'll used up all her remaining resources. While i can relate to and understand what she is feeling right now, i honestly donut think that a good idea, as the likelihood of her winning is small, and the only people that will be laughing by the end the this is her lawyers, is there a good way for me to help her let go of the hurt she is experiencing and allow her get into a state where she could make objective decisions that is best for her?