"Well, I'm not a scientist, so I'm probably wrong on the details, but it's like the mood patches that were so popular for a while - you put them on and the thing you want changed... does? It can last a few days to a few years, depending on which one you get." She explains, sort of. "They're really popular with tourists, obviously, and I hear the Time Agents use them a lot."

Not that she knows many Time Agents.

Tragically.

They're pretty much all adorable.