"Okay, then it's yours for the duration. You can will the ward on the door to admit or keep out anybody who you want to let in or not, although I and my husband - he's the headmaster - can override if there's ever a reason. Korulen will bring you your gemstones when she's found a spell for them and conjured them up. The lift will take you to the cafeteria if you want to go there for non-gemstone food and I've keyed you to it. If people hassle you, you can tell them to talk to me. If you need to talk to me, all you have to do is think 'Keo' loud and clear and I'll pick it up and," <we can talk, like so. Any questions?>