Hi have been on my own with two young boys aged 6 and 4 for nearly three years. He started of paying me £200 a month but over the last year it's gone down to £100. There seems no reason for this and he still goes on hols twice a year and gets nice things for himself and the girlfriend etc. He has a good job and I struggle to provide for the boys. He doesn't often take them out, doesn't buy them clothes, shoes and toys rarely. We get on for the sake of the kids but I often feel resentful about this and know that if I went through CSA I would probably get at least £400 a month. It's very difficult for me to work as someone has to be here for the children after school, hols etc and I don't have any family support. If I go to the CSA I know he will be pretty awful to deal with but what is fair? If I ask him for more money he will say he can't afford it when I know he can......What do I do?? Help