Just as I was riding a new wave of orgasms, I suddenly heard Rob's front door knocking. Only as if in a trance I noticed Rob answering: "Come in, the door is open! What was that like? Did I mishear, or was that even a dream? I couldn't really realize it. And Rob just kept on as if nothing had happened. I sat on his hip and his gorgeous cock stuck completely in my ass and I stretched in this positi...