Glacius can't very well turn around when he's still tasked with keeping the human upright, but he does nod wordlessly and then close his eyes completely. It means that Carlisle will have to direct him when it comes time to actually clamber up into the bed, but at least the alien is as adamant as ever about respecting the boundaries of others: he won't open them again until the clergyman is properly situated and concealed by the blankets of his bedding.