That's all you have to do. Just accept his grace, his mercy, and his love. But make sure you swallow your pride first.
Do whatever it takes to make your marriage thrive: swallow your pride, go to counseling or a marriage retreat, give up a hobby, throw the TV in the dumpster... whatever!
This may require you to swallow your pride, "man up" and do the right thing.
But make sure you swallow your pride first.