2. Because the two of them are sexually connected — and aren’t mature enough to focus on co-parenting just yet.
“Personally, I have been in many relationships with men who had children, some serious and some not so serious. I have experienced the ones who always had something negative to say about their child’s mother or some who were probably still sleeping with their baby mama, but tried so hard to hide that fact by having mean or bad things to say about her. Either way, why is it so hard for men [and] women to move on and co-parent in a loving and healthy way?”
–BabyMommaLove.com