It started with feelings of jealousy and like a mental virus it spread.

You just assumed he’d buy I was really your girl? What if he’d called your bluff? (Roya Clairen)
But he didn’t. (Zayvier Bynum)
How often have you used that trick? (Roya)
First time (Zayvier)

The source and content of information remain the same...the response creates divergent emotions,while negative response creates jealousy positive creates motivation.

Still having ‘a thing’ for her implies I had her at one time and have experiences that give foundation to my sense of loss. That’s not what I have. What I had was a crush and that’s just altogether different and pathetic. (Zayvier Bynum)

Looking at that pain in her eyes, he felt a closeness with her that he had never experienced before. Like they shared something powerful and unspoken, something so deep and devastating, it bonded them together. He knew then, that if she didn't forgive him, he would never survive.

He was nothing without her.

Because of that, he didn't know how to love someone who actually loved him. He had learned a twisted, tormented kind of love filled with pain and exploitation.