I found out my best friend had sex with my wife after he died

DEAR DEIDRE: Sorting through my best friend’s affairs after his sudden death I was devastated to discover his secret – he’d had an affair for years with my wife.

Now I’m wrestling with the pain of this double betrayal and don’t know if I should end my marriage.

I’m 57 and my wife is 55. We’ve been married for 30 years.

My best friend was a huge part of my life from our college days, until he died aged 56, a year ago.

I had no idea that for five years, about a decade ago...