Baby father

After not hearin from my son father for 5 months I get a message from him on myspace to call him and he give me his number.I called him and his back in town to finish school and wants to see his son.He said his been checkin up on the baby on myspace and wants my son to met his other son whos my son half brother.I told him I'll call him thursday night when I get home to let him know when I was off so u can see his son.I called him thursday night and told him I was off the weekend.So his comin over tomorrow morning to see his son

I haven't told him about me going to child support