" I’m not a kid!” she told Shane hotly. “I’m only, like, a year younger than Eve!”
“And girls are much more mature.” Eve nodded wisely. “So you’re about ten years older than Shane, then.”
“Seriously,” Claire insisted. “I’m not a kid!”
“Whatever you say, kid,” Shane said blandly. “Cheer up. Just means you don’t have to put up with me telling you how much sex I didn’t get.”
“I’m telling Michael,” Eve warned.
“About how much sex I didn’t get? Go ahead. "

― Rachel Caine , Glass Houses (The Morganville Vampires, #1)