Nothing. I wrote him out of my life and concerns and I just don't bother with him anymore. Or at least, this is the attitude i try to adhere to.
But I understand that for some guys this question is of vital importance. If the abuser is your parent or sibling, for example, I can imagine a guy might want reconciliation provided it comes under the right terms.
Nobody living can ever stop me
As I go walking my freedom highway.
Nobody living can make me turn back:
This land was made for you and me. (Woody Guthrie)