[Alas, the brief moment of clear surprise is both what Calliope expected, and also not very helpful. The smile almost makes it worse, somehow. Pheia only does not get a face-full of door thanks to Calliope's fairly decent manners.]
[She does opt to sort of stare generally ground-ward, though.]
...
It's quite alright, really. You were just reacting—there's no need to make a bigger fuss.