Never underestimate the therapeutic power of driving and listening to very loud music. Music is so much a part of my life now. I grew up with family members who played instruments and I use it to change my mood any time I am down.
Every child deserves a champion - an adult who will never give up on them, who understands the power of connection and insists that they become the best that they can possibly be. -Rita Pierson (even children who have grown up.
You are not the exception to the rule. You will not cure them of cheating, because you're an awesome person. A cheater will always be a cheater. Especially, when they are cheating long into adult years.