Over the next few weeks, we played dress-up more and more. She thought I was very convincing as a girl. Eventually she even started dating another guy... An older guy. A very hot older guy. She promised me it was just for dates. She said she needed to be with a strong masculine man sometimes. But she assured me that she loved me. I was not happy, but I accepted this as part of our relationship. I felt I had no choice.Finally, after a few more weeks of experimenting, she challenged me to dress up. And occasionally I would take it to the bedroom I shared with my wife where I put the shirt over my head and face and jack off while deeply inhaling the aroma and sex scent of my stepson’s dried sperm. I contemplated the idea of adding a load of my own to it just for fun but realized that that would spoil the pure essence of it, of Bobby’s spunk. So I never did.Over the next few weeks the shirt became more and more crusted. I’d mourn the fact that I was never there right after Bobby had jacked. I tried not to show my pleasure and tightened my ass. "No, just let it relax. You have a muscular bum and I want to relax it." I think it is the first time I had heard the word "Bum" in relationship to my ass, butt, cheeks. I relaxed and his strong hands spread my cheeks. All I could think was "Is he looking at my asshole?" And I tightened it. Probably winked right at him. Oh fuck, I was going to shoot!Luckily, he said: "Okay, now turn over and let me get the front of you." Having a raging. Suck me bitch” as I rubbed my hardening cock across her lips.“Do it cunt” I barked at her when she took her time responding.I pushed my cock between her lips, feeling her tongue on the underside of my shaft as I slid deeper into her mouth. My cock had hardened quickly, and was prodding against the back of her mouth.“Suck it....suck it whore” I growled.I felt her lips tighten around my shaft as she applied herself to sucking me.“Good little fucking whore...... you suck mighty fine” I gasped.With.