"Excuse me," she said, although, on the other hand, she didn't pull her head back...
I told her, "Humans are the only animal that blushes, laughs, has religion, wages war, and kisses with lips. So in a way, the more you kiss with lips, the more human you are."
"And the more you wage war?"”
--Extremely Loud and Incredibly Close, page 99, Foer.