How do I win my ex boyfriend/fiance back? He is still with his girlfriend but seeing me at the same time???

How To Get A Guy Back In As Little As 7 DaysA Foolproof Step-by-step Guide To Get Your Ex-boyfriend (or Husband) Back.
She is also the mother of his child. He tells me he is unhappy and that he wants to leave her and be with me. I am the one who left the first time. I really and truly love him and he knows this, but yet, he goes home to her everynight. HELP ME

stop a divorce