Theodore returned Tracey's smile, pausing on his way to Zach to give her a brief kiss in greeting, and then moved to sit next to him on the couch. He reached out to touch the back of his hand to Zach's forehead to feel his temperature, then his pulse. His vital signs seemed to be alright, though there was definitely a distinct lack of energy in his body.
"What happened, Zach?" he asked, looking at his cousin's face for clues. Perhaps Tracey hadn't asked for details, but even if this wasn't a medical problem, it was in Theodore's nature to begin the logical process of diagnosis.