As one gets older and more rickety, and as medical technology advances, doctors love to play with their toys, using you as their victim. I. Asimov: A Memoir (1994)
Writing is hard work. The fact that I love doing it doesn't make it less hard work. In Joy Still Felt (1980)
If you were to insist I was a robot, you might not consider me capable of love in some mystic human sense, but you would not be able to distinguish my reactions from that which you would call love — so what difference would it make? The Foundation series (1951)