I think he hopes I'm still around if his affair would ever end.
Ding ding ding! We have a winner!
They just want to fly off into their fantasy world, but still have the little woman waiting at home in case they ever pull their head out of their arse.
And be prepared - when it comes to doing the paperwork involved in a divorce, you'll have to do most of it. Many WASs seem to believe in the "zipless divorce", like it will all get done by magic.
As for discussing division of property - be very careful here. You should not be having ANY discussions with H about this until you have consulted a lawyer first, and gotten a pretty good idea of what's fair.
Also - remember to ask for more than you want, so there's room to negotiate.
