Walk over to where that kid was waiting and draw with him, then leave him the pencil and paper.
When I got back I'd use my cell phone as a light source and head to bed early. If I had candles, I'd light them and experience the thrill of writing by candlelight.
WWYD if you were given $1000 to spend on material, accessories and anything else you would need to make a single cosplay for k-con, and the only requirement was that you had to wear the name of your sponsor on it?