MICKEY: The audio medium. It can be so deceptive…

IRIS: Stop thinking and start drinking!

DOCTOR: Love. Huh! Wrote a treatise on the chromosomal origins of love once, when I was a small boy. Proved categorically which gene began it, which enzymes carried it, which electrochemical receptors translated it… Took all the fun out of it. Got a rubbish grade, too. My tutor told me I’d missed the point.