I am going through a divorce, and my x seems to think that since he was a part of my sons life for 6 years and he is now 7 that he can have all the rights to him and not pay child support for him. Because I did have our daughter I was doing a favor by letting him have visitation to my son since he is only willing to pay for one child. Any advice on any of this? He's threatening to take me to court and says I'm being selfish?