She simply undid her blouse and exposed her right breast to me; you should have seen the look in Charlie's face as I stepped forward and began suck on...her stiff nipple. Mum anxiously watched the two boys until she heard Jake say I wish my mum would do that for me and Charlie said yeah but your mum isn't as sexy as Mrs Drake. Feeling bolder I now told mum to undress so we could look at the female form and let's begin our sex education.Mum physically trembled as she removed her clothes in front. It gets better every time we get together." It definitely got better for me, and very quickly. Betsy's ass is tight, especially with another shaft filling her pussy, but the Aqua lube was working perfectly, and there was no friction, just the sensations of tightness and of her muscles massaging my cock as I drove it in and out of her. The double penetration kept getting better for her too and, after a few minutes of the long, slow strokes into her pussy and ass, her body was thrashing between. She knew what it was, although she had never seen one before in reality: a vibrator. I had not brought any of my largest ones with me, for I was afraid that they might frighten her away, so this was a simple design of a modest size, but it was very effective. It was not made to appear like a male penis – I don’t like that type, and I also thought that such a one might be rather repulsive to Helen as well, innocent that she was. This vibrator was a column of jet black plastic, smooth-sided. In reality Iprobably looked 'normal' if you were expecting a normal man.After my orgasm at home my penis had moved and now seeing myselfin the mirror it became rigid trying to push forward against mynappy. As I pressed the button and the doors to the lift beganto close I relaxed but then a hand went through the gap and thedoors reopened and in walked my secretary. Normally she dressedquite conservatively but today chose to wear a short grey pleatedskirt that looked incredibly sexy.My heart beat.