"Until someone falls into the red and you get hit with a penalty. Until you get hungry or thirsty, or have to go to the bathroom. Prospit is nice, I'll grant you that, but you can't neglect your waking self just to hang out here for the rest of your life."

As he says so, he briefly flickers out of existence to check on things back in the viewing room. It isn't long before he reappears, though.