[When he spots Hubert, Richard raises a hand as if to wave to him; unfortunately, as this was also the same hand that he'd been using to hold onto the doorframe, he actually does end up toppling to the ground this time, where he just sort of lies there staring up at the ceiling and still chuckling.]

I was trying to open the door, but it was determined to thwart my attempts to do so. It really is a very stubborn door.