Leon actually laughed a little and rubbed his son's back. "Yes, yes, I know." He was only teasing. He wouldn't REALLY torment Sora like that.
"I am sure it is," Tifa said gently, rocking her son ever so slightly. "Rest, Sora." She'd just have Leon carry him into their bed when he fell asleep. There was really no reason to take him all the way down to his room. "We are so very glad to have you home."