Alexander said, “You also need to remember that you don’t want to masturbate as soon as you get an erection… it’s very important to see if it ...oes away on its own, but if it stays hard for about four hours, and you start to experience any discomfort, then go ahead and masturbate… just try to wait for the four hours.”Both mother and son acknowledged the instructions, and then Dr. Alexander said, “Okay Jamie… go ahead and get dressed and I’m going to have Sarah take you down the hall to take a. I assume you two can find some way to amuse yourselves together until then." He was rewarded by a broad grin and an eager nod as she held out her hand towards the new slave. Alexa hesitated, suddenly uncertain about what was expected of her. The stunningly attractive slave just winked and wiggled her fingers. Alexa summoned her courage and reached out her own hand to the beautiful, dark-skinned girl.The doctor waited until he was sure the slaves had gone then began to carefully destroy several. It was automatic behaviour, after so many hours of shows, I just saw him as one of my viewers, we stopped by a drinking water fountain, and everything I did seemed to make him blush, it was hilarious. Feeling emboldened by his reactions I even posed and bent over unnecessarily to re-tie my shoe laces. My mind couldn’t help but wonder if he was going to go home and masturbate thinking of me, I’d been laying it on pretty heavy and had to regularly stop myself as my panties started to get tight. .. During the day they where rubbing against the fabric of the blouse... It got me exited the whole day.." I smirked at her, "I think you have to remove the threads by yourself... You must have something to cut the threads.."She walked to a drawer and got herself a tiny pair of scissors... Very carefully and with a little force she managed to cut the thread of one nipple, of course the blood started to flow to that nipple.. "OOhhwmmmmm..... my God..! OOOHHHHHHwwww....." I could see tears in her.