[It strikes him as strange to be so cordial with a friend of Hyde's, but still, manners are important, and her association with him shouldn't have to reflect poorly on Grell. So he goes with instinct of good manners, and bends to kiss her hand.]

Not a bit, I have plenty of time, please do not worry or trouble yourself at all. I only hope my brother has conducted himself well in your presence, and certainly if not, then I must atone in his place.