I don't know about other but I look at it this way:

When she left, she was angry/upset at me. Because of things I did or didn't do.

Making her angry/upset would only put her back in that state of mind.

The state of mind where she decided to put into action her plan of getting out of the M.

Me:33 W:34
T:13 M:8.5
D mentioned & S 2/13/15
"We can never get back together" 4/2/15
Visited & Mentioned she hasn't filed 4/20/15
"I want to have cats back" 5/4/15
Served D papers 5/8/15