describes the feeling of no more worries and troubles; to describe a situation where all the 'loose ends' (i.e. troubles) are settled and taken care of, so one does not need to worry any further; to literally "clean hands, clean feet"
to fail to see something through: a description for the act of neglecting or ignoring the proper completion of the matter; started off something, but did not finish it off properly; to not tidy up after oneself