Thanks for the insight everyone.

My inner Buddha tells me to look at the memories as genuine, remember them with affection, and don't compare them to what's happening now. The past and the future don't exist.

This is easier said than done!

M46 W48
M11 T14
S11 D8
BD: 2016/05/27
In-home separation: 2016/11/23
Nesting: 2017/06/11
W moves out: 2018/01/07
W goes public with OM: 2018/07/12
I ask for a divorce: 2018/12/14