I lost the trust my husband had in me?

I made some mistakes.. not cheating for those that are assuming. Is there life after the trust is gone? Not sure I want to stay here.. due to other things not associated with this (prior stuff). He is a good man all in all. I love him but I honestly don't want to stay here the rest of my life in misery and in the fact I feel obligated. We are room mates to put it lightly.. or may I say I am the live in maid with benefits when he sees fit. You know.. one of those 5 min. wham bam things. What would you do. Ever stay in a relationship due to obligations?