Is he cheat or am I just jealous

I been known my guy for some years but we just decided to try this out in June 2015.i get upset because ur making status about ur bm but not me I ask him do she kno ur in a relationship he say he think she kno but he haven't told her he is and I kinda understand u kno how some females get if they not wit them they wanna play the child card and I told him I never wanna be the reason u can't see ur child he say he in love with me but I just don't know I ask him but what man going to admit that they are.