Kenzie couldn't help the huff that left her when he said he had to go back, but she knew she did as well. It was part of the reason that she was asleep on his couch just then. "I have to go back too," she said, a yawn slipping from her a moment later. "I'm going to have to see if I can get that stuff to help wake me up," she murmured, lifting one hand to rub at a tired eye.