What, are we NOT going to post a video of a dude dancing by himself to Mariah Carey's "All I Want For Christmas Is You" in a Christmas sweater at the mall? No. We aren't not going to. Do the math. [videoembed size="full_width" alignment="center"][/videoembed] Tis the season to post videos of dudes dancing by themselves to Mariah Carey's "All I ...