I hate seeing my 5 year old daughter crying cause her daughter doesn't come home! Makes me feel…

I hate seeing my 5 year old daughter crying cause her daughter doesn't come home! Makes me feel horrible for staying, but when you have no where else to go what can be done!?!?? He says he cares and blah blah blah, but I don't think he understands what effect it seriously is having on his children..