How do I tell my husband’s friend he fathered my daughter

DEAR DEIDRE: Despite a DNA test confirming my husband is not my daughter’s father I always believed she was.

I am 63 and my husband is 63. We have been together for almost 38 years.

In all that time I have only been unfaithful once – looking back I felt neglected. 

My husband had started a new job and was spending a lot of time away from home.

I ended up having a very short affair with my husband’s friend. He was single at the time. Our affair only lasted a month and I called it off ...