After the flight took off and everyone soon went to sleep as it was a late-night flight. But I was not so sleepy and I was trying to see where Lydia w...s on the flight. So, I went to the washroom hoping to see her somewhere around. But I couldn’t see her as she was not there. I soon realized she was on the other side with another air hostess. So, after some time, I pressed the flight-attendant call button. So this time, Lydia came to ask me what I need help with. I told her I wanted a glass of. Roger tried the sliding-into-bed trick, only late at night when Greg was out of town.In each case, I let them think they were going to get laid, only to stop them at the crucial moment by saying, "All right; time out; get off. Okay, hot shot, here's where you went wrong, and here's where you went right."What followed was a frank discussion of sex, a clinical, serious discussion. I went over everything they had tried with me over several months, critiquing what they did right and wrong. I was. The pleasure of his cock arrowing deep inside me mixed with the pain of his thighs slapping against my punished ass cheeks. He pulled my hair as he fucked his slave’s ass deep. “Who’s my good girl?” he demanded. “I am!” I moaned. “Who’s my bad girl?” he growled. “I am,” I whimpered. Over and over came the questioning until he tensed and filled my ass with his cream. I told me to clean his cock with my slut's mouth and told me I had earned a week of spankings to pay him back for being so. We smiled at each other, “How was that Gramps?” she said, I was totally speechless.Just then the doorbell rang, “Oh Fuck!” Mary said, “That will be Mrs Duff”, thinking quick I told Mary to grab her clothes and run up the stairs to dress while I quickly composed myself and put my shorts back on, I was till semi hard when I went to the door, having a quick glance at Mary running up the stairs, panties still well up her crack and cum dripping on the stair carpet.I opened the door, “Hello Sir, I am.