If you have any chance at recon, he needs to understand and know that you've moved on. Moved on in the example you mentioned above is for you to only communicate about what's necessary - your daughter and finances. Everything else is just not on the table. Your demeanor is pleasant and polite, but nothing more.
It isn't about a window of opportunity, it's more about him taking a risk and putting something out there. He's gotta put work in this knowing that he may get rejected. I personally wouldn't have it any other way.
Moving on also means you have zero concerns about what he desires, and how you can act to create space for him to talk about those desires. If he wants, he'll have to come out with it.
It is not on you to create an environment where a discussion around recon can take place. It is on his shoulders. I understand the want to go 'back', but just remember when you were in that cramped apartment, sick, taking care of your daughter, and he was frolicking around in Dubai with some woman. You really want that 'man'? No you don't.
