As the attention draws toward Tau again, he begins getting nervous. Trying to block the fact that eyes are focused on him, he begins to think about the problem. "I suppose I could cast a spell that would sound an alarm if the box was opened. It could be either audible to everyone or just me. Would you rather listen for the alarm yourself or have me stay around in order let you know when it happens? It would have to wait until tomorrow either way, however, because I would have to look the spell up first."