Related Clues:

• Is that being 16 across? Faith, it's not!
• Faith, that's got nothing to do with childhood, you might think
• Perhaps 6 down enough for such a sin
• A sin for grown-ups in bad faith
• Old enough to commit?
• Commandments taboo
• Lieutenant embraced by Audrey involved in extramarital affair
• In which real duty is abandoned!
• Sinful act with lady, true to form
• Marital infidelity - try a duel (anag)
• Sexual unfaithfulness to spouse
• Unfaithful act
• Extramarital bedroom antics
• Unfaithfulness to one's spouse
• Philanderer commits to grown-up Cockney girl at the local YMCA