That he had not yet turned away from her exposed to Audrey the swift rush of emotions to his face, their number and intensity, before he could compose himself. Relief, outrage, amusement.
Percy was a logical man, and while he could argue with her execution - namely that she felt she could or could not excuse him, though he supposed it was her office - he could not argue with her content.
"What I owe is an apology to my brother, and you indirectly. I hope you will permit me to offer yours first."