Demetri Martin was a guest last night on The Late Show with David Letterman, and no, he didn't perform any stand-up, and yes, I wasn't the only one who thought that panel segment went rather awkwardly, so the less said about that, the better. Too much already? Let's move on, then, with an additional look at the episode of "Timing" for Important Things with Demetri Martin, which debuts Feb. 11 on Comedy Central. I would include all three videos Comedy Central provided, but two of them are shorter than the 30-second ads that precede them. Here, though, is a clip from a sketch in which Martin becomes a "time gigolo." Read on for more important things about Important Things with Demetri Martin.