It's that age old fairytale: Boy meets older famous man. Older famous man pays for boy's lifestyle and services. Boy and older famous man break up. Boy writes book (or stars in a reality show, while trading on older man's fame).
Wash. Rinse. Repeat.
Calvin Klein's former piece, Nick Gruber, 24, is writing a tell-all book, y'all!
Details after the jump.FULL STORY