It will never do to plead sin as an excuse for sin, or to attempt to justify sinful acts by pleading that we have an evil heart. This instead of being a valid apology, is the very ground of our condemnation.
My girlfriend is much better than I am at working hard then resting, and she demands that from me, too. She insists on having time when we don't do anything. We leave the housework and watch a movie.