I felt I had to say it to show her she was not as invested in our S as I was.

This isn't a competition. Why compare? To control?

You hit the key. Don't let your emotions get the best of you. Read about Differential of Self, practice Mindfulness meditation.

Listen we all screw up. Why? We let our emotions get the best...

Why show her anything other than that you are moving on regardless? She isn't going to see it your way anyway.

M 53 W 54, M since 98
D15, D19
8/2013 discovered EA, W maintained contact with OM
until 10/14
7/2/17 W said she wanted S, 7/25/17 moved out of MBR
12/17 W says moving out 5/18, W still in home.