Strangely enough, being ignored for a little bit is familiar enough, too - although at least Sam does seem to realize he's being spoken with fairly quickly, and that means Jamie doesn't have to resort to what he usually has to do to get the Doctor's attention, which is tug on the Doctor's sleeve.

It does mean that his smile stretches a bit wider, and if Sam wants to take it as a friendly sign, well, he doesn't mind. It does turn into something a little more wry at the question, though, and he brings up his hand to scratch at the back of his head, a flicker of green from the shard visible for a moment.

"Ah, sorry. I'd not meant to disturb you. It's just all the papers reminded me of a friend of mine. When he's trying to figure out something the place usually winds up looking like this. Well, either that or he winds up writing all over the walls or the floor, but that's usually only when he's not got paper about. What part of it's got you stuck, anyway? Just what you want to say?"