"You are a master's student, you can do that in your sleep, come back," Allie said, putting on a pouty face. But Krista wasn't listening anymore. Her mind had shut down her body. She walked quickly over to the closet and pulled out a blanket and couple of pillows and threw them on the floor.

"The bed pulls out in a couch," she said and then shook her head, "the couch pulls out into a bed. I am sorry, I wish I could stay up longer, but I really need to go to bed. I have to tutor two people tomorrow." Her voice sounded bizarrely cheerful and strained. Allie looked...