It would have been a shame if Lucifer had killed him back then, before he had realized how much Daniel is like Sam Winchester. No one can ever be quite like Sam-- he is the only one who is worthy, the only one who was ever truly worthy-- but Daniel bears more than a passing resemblance to him, and that works in his favor.

"For others? Of course. There will always be those who are below my notice," he says, watching the good doctor with his head at a birdlike tilt and his eyes hooded. "But I don't think I could ever be indifferent to you, Daniel Jackson."