“I don’t know many rules to live by,” he’d said. “But here’s one. It’s simple. Don’t put anything unnecessary into yourself. No poisons or chemicals, no fumes or smoke or alcohol, no sharp objects, no inessential needles — drug or tattoo — and… no inessential penises, either.”
“Inessential penises?” Karou had repeated, delighted with the phrase in spite of her grief. “Is there any such thing as an essential one?”
“When an essential one comes along, you’ll know,” he’d replied.
– Laini Taylor, DAUGHTER OF SMOKE AND BONE
By the way, I cannot recommend this book enough, but I warn you: the first couple chapters make it seem like it’s going to be a less good book than it is. Just keep going, and then thank me (and Bethany, who told me) with all appropriate effusiveness.