[He looks at her and grins a bit in that 'Rose Tyler is the most special human being ever created' sort of way he likes to do.]

They are, yeah. Much easier than circles, though my particular preference is hexagons. Least you lot don't fancy star-shaped things - be a nightmare fitting things in all the corners.

[Ah, temporary, yes. He nods. Hard to remember all this sudden change, and he's not sure how it will right itself, but. Temporary.] Right, yeah.