He opens his mouth to comment that the scent is beginning to be a little stronger, now. He stops himself upon hearing Horatio's question. Hopefully, the other student's gaze will remain focused on his notes long enough for him not to notice.

(It's a hope he hadn't known he was looking for. Even if Horatio doesn't seem to recognize it for what it is, it's a good feeling regardless.

Now to just wait until Horatio realizes the same. It may be a while.)

"Me? No." Casual. He can do casual, maybe. "The only one I own is that awful one from my gram, remember?"