[ ... okay, he knows how this goes by now. more needles, more effects from other people that he's somehow subjected to anyway ( he assumes ). both toothless and hiccup are to the side as pearl begins her incredibly impressive, incredibly painful looking ( in his opinion--how does a leg go that high? ) dance, and then it's simply toothless as hiccup's dragged into the whole thing ( and a cant of the head from the dragon department to accompany his owner being spirited away, a look of pure confusion and look of please help to an unresponsive dragon ).

it's not pearl's appearance that causes him to stand there, unmoving, un... dancing?? he's more than used to novel appearances by now. it's-- ]

Oh. Oh, you want me to--

[ --the realization that she wants him to start the dance, if the fact they've just been standing there holding hands is any indication. that's awkward. ]

See, that's going to be a little difficult. I didn't get poked with any weird dancing-makes-you-way-too-flexible needle that I guess--probably quite accurately--you did, so... I can't actually do that with my leg. Good or bad.

[ a step of his prosthetic on the floor, then, to emphasize his point. bad leg. don't make him daaanceee. ]