While I'm not a snogger (don't look at me like that!), I do think, from what little I know of them, that David and Gillian had a kind of working relationship that in some weird cosmic way must have reflected what we saw on the screen between them.
The Moocher was a dip in a dilettante sort of way, and his particular graft was boarding street-cars with his papers and grabbing women's pocket-books.
Unless this internal shift can be made, then not only the Russians but all of humanity will continue to languish in an internal exile.
As when Alcides from Oealia Crown’d
With conqueſt, felt th’ envenom’d robe, and tore
Through pain up by the roots Theſſalian Pines […]