Love You Is My Fault

*They were married two years, He had cheated on her fortwo years. 
She loved him so much, so she endured. 
However, he was getting more and more outrageous. 
Every time he brought other woman home for the night.
More than that he was dare to say that she was the disgusting one. 
Finially since it's disgusting, then let us get divorced! 
That day she tossed a piece of paper at his face, but who would know he start to stuck to her like sticky candy. 
He followed her wherever she went. 
Finally,She had enough, she asked him, "What are you trying to do?"
He replied affectionately, "I want you to remarry."
What is their story? what changed his thought ?