Ah yes, the noble pursuit of stretching one’s asshole like some kind of perverted yoga routine. I always envied those girls who could take a fist up there without so much as a flinch-so naturally, I decided to give it a shot myself. Who better to deflower my backdoor than Jessica, who took on the task with all the tender care of a bulldozer clearing land for a strip mall. She started by ‘warming me up’ (read: turning my ass…