Tired of the bullshit

Need to vent...my so has a 10 year old son from a previous relationship...hus ex also has a 5 year old son (not belonging to my so). He pays child support EVERY week but she only allows him to see his son every other sunday....he can only see his son every other sunday because she needs a babysitter so she can work BUT he has to babysit her younger child in order to spend time with his son and if she isnt working he doesnt get to see him...hope that wasnt confusing...they both allow her youngest child to call him daddy which i understand is partly my so fault for allowing it but the problem is he wants to spend more time with his own son and his ex is telling him she doesnt want that cuz its not fair to her other child...mind you there has been question whether or not he really is the father of the older one cuz she admitted to cheating around the time she conceived but he really believes he is the dad which is fine...her friends i found out are members of similar fb groups as me and whenever i make a post about ANYTHING (which never has anything to do with whats going on its disney junkies and pregnancy birth and beyond) they feed her the info so she starts talking negatively about me him and our unborn daughter now i have blocked then and hopefully that resolves it but i confronted the friend and told her pretty much to mind her business and worry about herself and of course his ex called leaving voicemails about me "wannabe fugly slutty girlfriend". I laughed it off cant let it bother me its immature and last time i checked i wasnt the one sleeping with multiple men when i was in an exclusive relationship and questioning who the father of my child is...needless to say we are now at the courthouse filing for visitation and child support modification seriously tho when you have a straightforward man who WANTS to be involved with his child why wouldnt you as the mother WANT for you children to have thatrelationship?  I wish my son could have a relationship with his biological father but given his fathers current "life choices" it isnt possible smdh *end rant*