The twins wave off Nerdanel's thanks, with the usual 'it was our pleasure' and 'glad to be of service' types of phrases that come out most often in situations like this. They head off towards the main hall, but before they leave the stables one of them comments to the other that the other does indeed smell much like an orc, and their stately retreat turns into a chase. Glorfindel laughs at his charges while offering Nerdanel a hand up.
"I despair of them ever learning decorum. Perhaps you might say that I am a poor influence, but their father certainly was not lacking on that score. I no longer believe that it is an inheritable trait."