Need Help: my girlfriend and her 3 year old have been living with me since last Feb. and last year his real father claimed him on his taxes (eventhough he doesn't live with him) I am the only person who works in the household. Do I have the 1st right to claim the child on my taxes. His father pays $37/wk child support and sees his son between 1 and 3 days/wk. Plwase help!