Something there is that doesn't love a wall...

[peacetoday]

I also agree with the others

I would get rid of the joint account -pay it and let it go-
He probably wont bring that up anyway-

It is not easy going through all this the ping pong, his sudden niceness then distance and crazy behaviors
This is a difficult situation and you have been doing excellent all this time-

maybe take a few steps back
while you gather the tax stuff and get clarity on the upcoming conversation
visualize what you want--your best outcome and just think about that for a few days -b4 any talk-

I would continue to work on you
gaining more clarity

working on getting centered-however you do that

I use yoga-meditation, and listen to uplifting speakers-everyone has their way
make that be your priority for now and let the thoughts of him go-
wish him the best

see if you can get close and hear your inner peaceful wisdom, your intuition
you have all the answers already
follow it-

By letting go- you will get the balance you need and nothing he does will affect you-
at least that is the hope