That is completely adorable, and so very them. Although I'm not certain either of them has ever been acquainted with the concept of "personal space."
That mental image of the clueless but enthusiastic Doctor in a spandex costume hanging all baggy off his skinny frame because they just don't make em that narrow will haunt me all day. Only people who look like this (http://i221.photobucket.com/albums/dd299/dcon2007/2008/supercoffee.jpg) are allowed to wear spandex in public, and even then only on very rare special occasions.