[His waiting until Sebastian is done talking works out, because Sebastian just talks over that weird noise, as he's been doing since, oh, their second day of working together. If he'd continue to stop and check every time Stiles makes random noises he'd never get anything done ever.]
...We have indeed been introduced, and Her Highness is undeniably a very positive and kind person. At this point in time you certainly have more experience in these matters - both as far as magic and the workings of this world are concerned - than myself, Mr Stilinski.
[YOU WIN. You have all the points. Happy now? No, he doesn't quite see how one sunny, sparkly individual equals fairytale logic is real, but if it'll keep Stiles quiet for five seconds...]