Dr. Geote chuckled, "Careful, you're starting to sound a lot like Stanley Milgram." Of course, he was referring to the infamous nineteen sixty-one psychological study at Yale University that went terribly blowjob wrong, resulting in long term psychological damage Hardcore to the subjects, several even committing suicide. Milgram had gone out of his way to make his assistants appear to be professionals and 'authority figures' to intimidate his subjects to some degree. I let his comment slide by. "One last thing: I think it's going to be important to give the subjects as much privacy as possible during the masturbation stage." Dr. Geote nodded, "They can summon the lab assistant in with a buzzer when they feel they are sufficiently stimulated." I agreed, "Perfect." In the interest of 'critical thinking', the objective being 'controlling' for as many variables as possible, more topics needed to be addressed. We'd already controlled for the appearance threesome of the lab assistants, so we moved on to BDSM other things. First up was controlling for variances in the menstrual cycle of the subjects. We finally agreed on the second week following the end of menstruation. Actually, WHEN was not as important as making sure all of the Brunette subjects were at approximately the same stage in their cycle. We decided on written rather than verbal instructions to the lab assistants, and written rather than verbal questionnaires for the potential subjects to complete. We also agreed that we'd prefer to deal with only subjects who'd been at least somewhat sexually active prior to the experiment. We felt those would be better able to relax and would be less intimidated by the whole thing. ‘Yes. “Top shelf, far right. Smitha's tone was mischievous. She could feel her pussy come alive and the Brunette impulses almost carried upto her navel. “Oh, we...that is I...” The older woman starts. It was the most blowjob erotic sixty-nine in the history of my life, and I never wanted to stop watching her tongue fuck my wife. The auburn hair of a woman's head can be seen just at the corner of the screen, BDSM bobbing up and down in the man's lap. Elsie checked her Hardcore surroundings to see whose attention they might have. She is nude on a bed with her back resting against the headboard. Benjamin spreads my ass cheeks apart again. As she approached she took in threesome the sight, carefully assessing what she saw.