Just keep doing what you have to do. His assertion that he's done is likely a response to the pressure of the letter. Stick to what you'd decided to do. Remember: believe none of what the day and half of what they do.

Stay strong!

Me: 34 W:33
T: 10 M: 6
S: 6 D: 5
BD: 5/14
Still together(ish)
Not giving up: 7/14
D talk has slowed, a lot.
Gradually working on things together. Still separate bedrooms.
Slow and Steady wins the race.