My cheating partner thought I'd forgiven his affair and assumed, at 53, I was too scared to leave. Instead, I got revenge in the most delicious way... and here's how: KATE MULVEY ⊖⊖

If you've ever had a partner cheat on you, you'll know the sickening anguish. The hours of sobbing down the phone to friends. The self doubt nagging you at 3am.