My friend

ok so i have an ex gf and i have agood friend he was like a brother to me long story short they got together i was semi fine with it because i knew that what they wanted and sincce they asked me it was like they do care about what i had to say and so i was cool with it so my fried we'll call him j he would tell me about his relationships and j got one of my friends pregnet and he told my ex the baby might be his and i was like woah woah woah dude it is yours dont lie and so i told my ex and they were still together and stuff but acouple weeks before my friend gave birth he stopped talking to my ex we'll callher c okay so he stopped talking to her and she was like oh i guess were not together anymore and yea they broke up theres plenty of more details but im just trying to make this short so later on in life j spends lots more time with his babys momma i nmean i thought it sucked because he was with another girl when she was pregnent and stuff and c should have known better too so later on like this year j and his bab ys mnomma have sex and stuff and hes like its casual sex lets do it and stuff and so his babys momma talks to me and stuff she said hey i think j is trying to get back with c and i ont think its okay because he tells her things but he has sex with me so i told c to stay away because i care about her i mean i was in love with her i wouldnt want to see her hurt and stuff and so i toold her and she confronted j and said im not your toy and stuff like that she told j that i told her and i was fine with that and j denied it all he saidd he was "baffled" i would tell her to stay away from him and he kinda wanted to stop talking to me but so anyways i knew j and my friend his babys momma were still doing it my ex ddnt really listen to me and stuff they ended up back together and i was like dude? and so his baby momma talks to me acouple weeks later and tells me shes pregnent again and im like whatttt? and shes like yea what do i do your the first person i told and so i convinced her to tell j and she did and he was in shock and stuff and i havent told my ex :/ she ddnt listen to my warning its like she dsnt care what i have to say so i talked to j wellthrough his babys momma and i told him to my ex the truth now because he denied it and all this stuff i told him hes hurting her and lying he tried to convince his babys momma to get rid of thebaby i was furious he said he was gonna tell my ex but then he "changed his mind" and i saw him at walmart he siad hi and kinda gave me a bro hug and i was quiet but i said hi and stuff and i stll talk to my ex but i havent told her this i knew j was having sex with his babys momma but i ddnt m]know my ex was trying to be with him she ddnt tell me these things i feel bead everytime i talk to my ex because i know he still hasnt told her and i dnt want to tell her cuz thats big news and shes gonna be like again and stuf but i mean she ddnt listen to me what if she dsnt listen again basically i want j to tell my ex c whats going on but he hasnt and she thinks hes not lying i dnt wanna tell her i want him to tell her :/ let me know what you think please