Max thinks his stunning sister-in law has been coming onto him

DEAR DEIDRE: Dear Max… IT’S natural to be attracted to other people outside of your relationship from time to time but there is a huge difference between letting the fascination fizzle out and acting on those impulses.

Unfortunately, you made a move on your sister-in-law and your girlfriend knows. I realise you weren’t physically unfaithful but the intention was there and your girlfriend will feel betrayed.

You’ll have to work hard to rebuild the trust in your relationship. My support pack Cheating, Can You Get Over It will help.

You’ll need to invest in your relationship to avoid future disaster.