The result was a fantastic relationship. We could both do what we liked, when we liked, and we only got together to have sex. Very liberating. We'd ca...l each other up a couple of times a week, and let of steam. There were no expectations, no need to talk about the day or whatever, we'd just get together and go to it.Usually, Hannah would like to suck me off to start us off. This would take the immediate pressure off of my balls, and as she said, she got the thickest load where it was. They kissed with passion as the lift took them up and Bill had both his hands on her large buttocks as she rubbed his crotch.They stumbled in to Linda's room, which was the one nearest the lift, and had their hands all over each other as they snogged.Linda removed her dress to leave her in bra and knickers and she displayed a lot of cleavage and a very wet knicker frontage.Bill removed his shirt and started to undo his trousers but Linda said"I will do that."She undid and pulled down his. .” she held it out to me. I took it and was about to reply, but she cut me short with a cheery “Merry Christmas!” and scurried away, out of the door.I looked down at the envelope. I peeked inside. I could see... maybe a landscape... the tops of a couple of heads... but nothing more.There were people about, so I put the envelope safely away in my bag and made sure I finished work on time that day. On the train home, I wondered what could possibly be in these mystery pictures. “Probably. ”All I could manage to say was “What?”Holly said, “I know the way you look at me and it’s okay. I like giving you erections. My mother says that it just means that you find me sexy. I’ll let you fuck me, but you have to fuck my mother too.”I asked, “What’s the catch?”Holly said, “Nothing! My mother said that she would let you get in her pants anytime. In fact she says that every time that we come in here to shop. She thinks that you are her soul mate.”I asked, “Then why do you want me to fuck.