Here the index of the best and most widely used excuses and licesnces for sins. You are invited to add yours!

First group: Age
   Being a child: the best excuse for all kinds of disobedience, craziness, rudness, distructive behaviours and un-docility. more useful if one is male!
  Being adult: mostly used when you want to do sth impure also for all uncharitable actions.
Second group:Gender
  Masculinity: the greatest license for any breach of law, pride, sɛҳuąƖ sins, wildness, harshness, total lack of emotion and understanding and also having inordinate appetite for food, drugs etc.
  Feminity: mostly useful when you want to subdue reason to emotion, being partial in judgement, superficiality, lying and vanity.
Third group: State of life:
  being a politian: a great license for tyranny and dishonesty
Being married: a good excuse for being partial and not objective in one's judment also for worldliness!
Forth group: part of growth/developement
   Here you just need a psychologist who tells you that all sins are natural and part of growth.