[fight_truth_decay]

..but they always have their "contacts" even though retired or can "consult" [for money] when needed. His talents will not be wasted.

Writing a book seems admitting you are not needed anymore and have to live in the past. I actually hope he doesn't go the book route.

It's better to let the lying dogs believe you are sleeping.

[2 Kool 2 Be 4-Gotten]

Like in Tinker, Tailor, Solider, Spy, I think George Smiley came out of “retirement” and whacked the mole.