I imagine fairies couldn't be bothered to care about human etiquette, what with their habit of stealing babies and the like.

[ thought he quirk of his mouth doesn't leave, Jas watches his face shrewdly as his companion chews and swallows, never looking away even as he takes the apple back from his hand. when no immediate ill befalls his friend, only then does he take a bite for the apple himself. he then leans his elbow on the table. ]