Big Mess With Rocco Big Mess!?!?

Big Mess!?!? - big mess with rocco

I went into a big mess. I'm with my boyfriend for 4 years and started cheating on him with another guy I knew. Well, now 8 months later and the other wants to marry him. He says he loves and cares. However, he has no idea that I am a friend. I lied when I met him. But I just wanted to have an affair with him. And when I when I was bored. I know it is a terrible thing to do. And sorry. I also played, and I feel very horrible.What I do?