It was so hard and erect that it looked like it hurt. I found myself getting aroused at this sight, and without thinking, I reached down and touched m...self while standing in the shadows, watching my son pump his fist. After a few moment, I silently slid my fingers inside the waist band of my panties and gently massaged my erect clitoris as I watched Robert continue to stroke himself. I hoped he would ejaculate while I watched. I do not know exactly how long I stood there in the dark, squatting. "Your ex ... oh dear ... what did she want?" She wondered why I haven't called her since the end of term." Did you tell her?" I felt nervous too."Um ... sort of ... I said I had a cousin staying and we've been busy. I put her off."I left it at that, and handed Sarah the joint we'd been smoking. I wasn't worried really, I was too happy.The next day, the phone rang just after lunch - we'd eaten big doorstep bacon sandwiches to fortify ourselves for our afternoon delights. Sarah was in the loo, so. ’ I dragged him to the bathroom, but the door was closed. I put him down to open it. As I reached for the door, the toilet flushed. ‘Cool, another test subject.’ I waited for him to open the door. As he was opening it I fired a dart into his left arm. The door swung open as he fell backwards. He tried to scream with no avail, he was unconscious before he hit the ground. I was glad that first dart missed me. I tied him up for good measures, and put him and his friend in the bath tub. I stopped. Later, when I was about three blocks from the store, I had a flat tire. When I finally got to the store there was a bunch of people waiting for me to open up. I got the store opened and started waiting on these people, and all the time the darn phone was ringing off the hook.”He continued, “Then I had to break a roll of nickels against the cash register drawer to make change, and they spilled all over the floor. I got down on my hands and knees to pick up the nickels; the phone was still.