I swallowed as much as I could, but some dribbled out the side of my mouth. I wiped my chin and gave Callum a sexy smile. "Damn, that was good," Callu... said, catching his breath. "I'm going to have to repay you for that." He laughed, pulling me up on top of him and kissing me passionately again. He lay me on my back and kissed his way down my stomach until he reached my (now soaking wet) panties. He tucked his fingers under the waist band and looked into my eyes as he pulled them down and over. It wasn’t long and they were all stroking their cocks while watching the show. We stripped her out of her clothes and layed her down on the daybed as a third guy came in.Michael put her legs in the air and started eating her pussy while the other 3 guys played with her tits and watched Michael eat her pussy while stroking their cocks. There was my beautiful slutwife, laying stark naked with a black man eating her pussy and 3 hispanic guys standing around watching her and playing with her tits. “Doctor Ross warned me you were a Smart Aleck, Mr. Adams!” the nurse said with a soft laugh.“A thoroughly accurate assessment!” I agreed.She left to get the phlebotomy kit and I quickly dressed. After the vials were taken, Doctor Whittaker did a complete medical history.“Did my story change?” I grinned when she finished.“I’ll compare the one from last year to this one when I analyze all the test results and compare them to the past ones. But these will be the baseline for my study, so I can. We had been testing each other’s sexual limits since we met six months earlier, but this was uncharted territory for the both of us. “Spread your asshole for me, baby,” I whispered. He quickly obliged and I proceeded to go to town on his tight fuck hole, fucking him gently with the tip of my tongue. I gushed as I felt his asshole tighten - he tasted especially sweet today. I ordered him to stroke his cock while I rimmed him. “Yes, goddess,” he moaned. I pushed more of my wet tongue inside of.