"Just-- thought I smelled something." Which is an odd enough thing to say, anyway, but he supposes scents have been intruding on his life a bit more than usual. As the bit of fluff drifts closer, however, and now against the wind, the smell is stronger, and he looks about for something that might cause it.

"Do you smell that? Like-- like cleaner. Some kind of biotic cleaner...." And of course, Fay wouldn't. Lyall's nose, after all, is a bit more powerful than most.