I hereby conclude that he sleeps in Arthur's chamber, no other possibility.

It seems as if Gwen does sleep in Morgana's so this makes perfect sense *G*

I seem to need some fanservice wrt to Colin after all the shirtless bradley scenes in this one *nods* And yes, Arthur should have listened to Merlin, but figure this is a short-hand version of season 1 for new viewers. Oh and yeah, I do like the G/A as well.