Forgive yourself - release guilt and blame.

Guilt and blame are not helpful.
Except as indicators that the past (an old habit?) still has a hold on you.
Feeling good right now, every new moment, is all that matters.
Anything motivated by, or resulting in, guilt or blame is wrong. Don't do it!
Be responsible.
Accountable for all your actions.
Therein lies freedom - freedom to choose who and how you are!