Yep, they do tend to take things and we usually don' notice that they are missing until we pack, clean up or actually need the items.
At least you are being cautious with the things that you think are meaningful/sentimental. He certainly can't say he wasn't asked about things.
As for the dissolution proposal, I'm not the least bit surprised he's not responded or shown any interest in providing info. They tend to do that and it's frustrating as heck.
All you can do is continue moving forward.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
