I'm 24 my sons 2 I've been single for 3 or more years haven't had contact with her and I miss her soooo much I know it's a diff love as she is the mother of your son but I love her so much we had history and I've tried to get it out of my head its doing my head in I know she won't want me back but if I try and contact her I'm worried she will put avo on me to stop me from contacting her what do I do please help I really love her but I know unless I'm wrong I know she don't love me

Where is the son? You not saying anything about him? Three years, yes she will put a restraining order on you, if you are this obsessed. It sounds like you need professional counseling