God is faithful and just to forgive us our sins and to cleanse us from all unrighteousness. So to confess is to breathe in and to ask God to forgive me of my sins. And as we breathe out we breathe out the impure air and breathe in the pure air. I would say the pure air is knowing that God has forgiven us of our sins.

Managing Stress in Marriage (ed. Spring Arbor Distributors, 1990) - ISBN: 9780898402728