*hears the question in your voice, but has no answer he's willing to give, and is running out of words in general for tonight*
*subdued* Look, Mac, I'm gonna go. It's been a long day, and I'm due at the office early tomorrow. *pauses, forcing a somewhat lighter tone* I'll see you after work, though? You can start buying me that beer. Which I will be extorting with full knowledge that it's somehow unfair.