Doubt

'When we met, you seemed to enjoy your life?'

'Enjoy life, yes, just perhaps not my own.'

You pretentious bastard. With a forced smile and a bit-too-hasty change of subject; slightly eccentric and a hypocrite.

Met our match, have we? Not the only expert of the elusive art, you see?
Not to worry, they won't know, not from me. But look, there goes your credibility. And mine with it.