But, oh God. I hate to admit it, I felt so alive, as he hammered his cock into me, over and over again. Such energy he had! He grabbed my tits, twisti...g and teasing at my nipples as he rammed his cock as far as he could into my pussy. It was so hot, so wet--I wanted him so badly, and had no self control. But I wouldn’t let him stop, with my legs wrapped around him he kept on fucking me until I came--I bit his shoulder as I came--so that I didn’t squeal and scream and I felt his fingers dig into. He laughed and called it 'furniture polish', and said he would masturbate and shoot cum on the table when he was really horny and no one was available to get him off. I realized he was being considerate by asking me if I wanted to take his cum, and by shooting it on the table when he realized I wasn't committed to taking it. As he reached down and picked up his pants I moved closer and wrapped my hand around his cock before he could pull them up. He laughed and said: "it will be a while. It is crucial, though, not to otherwise raise the bar. You can teach him to do new things for you but you should not reduce the reinforcement over time. You must maintain at least a random reinforcement of each desired behavior or the behavior will become extinguished.Interestingly, while doing chores is a behavior that you are encouraging through positive reinforcement, it may also happen that certain aspects of doing the chores will become secondary reinforcers themselves. For example, as you. I was frustrated at that point as we were getting quite busy. She explained to her friend that I had arrived and we were just about to get on with work but her friend decided she wanted to chat. I thought I'm having non of this nonsense and moved closer and started to kiss her neck while she continued to talk on the phone. She smiled but pushed me backwards and put her finger over her lips to shush me. I laughed at her and started to slowly un-button her blouse and pulled it open to view her.