Hello,
I wanted to give a quick update and say thank you to everyone who took the time to comment on my now deleted thread (He has a fiancée and is getting married this summer).
After some reflection and hearing the different opinions from you all, I decided it was best to reach out to his fiancée and let her know so that she was aware of his infidelity. I don’t want to go into too much detail but she appreciated the honesty and now has the full picture.
Again, thank you all for your support and understanding. It’s been a journey, and I am thankful for the support of the Mumsnet community!