Were it anybody other than a member of the family, Tim stopping breathing would probably just be passed off easily.

But it's Dick. And Dick knows him all too well. Especially since he was watching for this exact reaction.

Which is why he nudges Tim's with the toe of his boot. "Don't," he says after a moment. "What's the phrase? 'Don't bullshit a bullshitter'? You know I know when you're lying."

And it's not that he's entirely lying. But Dick can also tell when he's leaving out the truth, too.