"All night, huh?" she asks, dreamily. "Damn, Nick, at your age, how do you know just what to do?" She'd croak if she knew where I learned about pussy eating. My sister has never been shy about giving me direction, telling me where to lick, how hard to press with my tongue and how gentle to be with her clit. She's the best teacher a guy could ever want but I'm not going to tell Mary that.

"I'm just doing what comes naturally and hoping you like it," I lie as Mary spreads her legs farther apart and tries to maneuver her pussy closer to my tongue. That's my cue...