Sorry Wonka, that wasn't finished!
You're a great writer but I think TACTICALLY, the best approach in this situation is emotional aikido. Make him think she is going along with things, isn't stalling but just wants to make sure the paperwork will hold water. THEN once she has response from her lawyers to give him she can refer him to her lawyer as needed. But playing along with him for present, making him think she's going along with things is likely to cause less resistance. (Guys like this often are unreasonably worried they'll be "taken to the cleaners" and of course, want the "zipless divorce a la Erica Jong's Fear of Flying).

Reality will hit soon enough. No need to stir him up yet.