" At first I was protecting you two because I promised. Now even if I hadn't promised, I would. You two are like kittens to me. I won't fail you again."
I'll admit I got a lump in my throat. I'd never been called someone's kitten before.
Sadie sniffled. She brushed something from under her eye. "You're not going to wash us, are you? "

― Rick Riordan , The Red Pyramid (The Kane Chronicles, #1)