"At least I knew what I was being shot full of," he says and it's a sad state of affairs that he can consider that a silver lining. "Just good old fashioned sodium pentothal, which is always an... experience for people in our position."

Even if they've never said it, they both know the other is something similar. No one behaves like they do except for other spies. Whatever Nikita was involved in, whatever she's done, John will never ask and if she were to ever tell him, he would never judge.

God knows he's probably done the same.