Ask A Man 7 April '24: 'How to rebuild trust after infidelity?'

Anonymous and his wife have been married for about 18 years now and they have three children together.  Along the way, he cheated on his partner about three times and he was caught each time. His wife then cheated on him in retaliation. Things got messy and about 5 years ago she left their married home with their children, but after two months away, she returned back to their home and they got back together. Things have been ok for the last five years but they are struggling to rebuild trust in their relationship.