Baby momma🤭

So I’m 17 and I’ve had a really bumpy relationship with this guy for the past 2 years in the middle I even moved states but he ended up getting with this girl and when I moved back I found out he “ would leave her for me” but the catch was she’s pregnant and now they are over but the baby is close and we found out she cheated on him and I don’t know if i should just stay out of all this but he really is my first love and it hurts to be with him but it hurts so much to be without him I just don’t know what to do at this point please help.