Pietro looked about for a hand towel to dry of his hands, but seemed unable to take his gaze off his father for very long. "Yeah, but I wasn't around to see that," he reminded him, "In fact I kind of depended on it to live. You're going to wind up younger than your grandchildren if you keep it up."
He couldn't help a nervous, self preservationist thought that this meant he could have more children...he could be replaced.