That seems to give Carlisle pause, and after a moment's hesitation, his concerns for his friend manage to stifle his innate paranoia, so much so that he doesn't even scoff at Glacius' comment about his drinking habits. The softer tone fools him as his own expression laces with worry; however, there is that touch of color that hits his cheeks at the alien's earnest request. It's not often he's so openly asked to stay because he's needed. That much is usually implied, but it's nice to hear it every once in a while, especially from someone he so genuinely cares about.

"Of- of course, Glacius," he returns, settling on the edge of the bed for the moment. "I- I suppose a bit longer won't hurt. Is there anything I can do? Aside from staying here, of course."