"I didn't need to go to the hospital," he explained, quietly. "I'll be fine. But I must admit, I'm more troubled by things with you right now..."
His voice trailed off, and his shoulders slumped down a bit. In her concern, there were a few...odd things about his general mood she hadn't noticed. She might, and she might not.
Or, ideally, she wouldn't notice until it was too late.