I am crying, he thought, opening his eyes to stare through the soapy, stinging water. I feel like crying, so I must be crying, but it's impossible to tell because I'm underwater. But he wasn't crying. Curiously, he felt too depressed to cry. Too hurt. It felt as if she'd taken the part of him that cried.
John Green (2008). “An Abundance of Katherines”, p.14, Penguin