Is it normal to have certain fantasies only while aroused?

I consider myself in general a straight male. I do enjoy anal/prostate stimulation in general, and employ it during sex with my girlfriend.
When I am sexually excited, I often have recurring fantasies about having sex with men, always as the receiving/submissive person, and often in the context of the "sissy/crossdressing/forced feminization" fetish (where the receiving/submissive guy is dressed and feminized like a girl, and treated as such sexually). These fantasies are incredibly exciting to me, often causing me to watch porn of the genre, order related items off the internet, and even attempt to "hook up" with men and act out these fantasies. On a few occasions I have acted out these fantasies with men, and relatively enjoyed it, until orgasming.
However, once I orgasm, it completely disappears, and I am filled with a revulsion that causes me to cancel any orders, delete any posts, rapidly end the encounter, etc. and I am a normal "straight" male mentally again.
I'm not attracted to the male body at all, even while aroused during these fantasies; just the penis specifically, and the idea of being submissive and feminized and used.

I can't figure out if I'm bisexual or have some sort of gender identity issue or what...and I don't want these fantasies to jeopardize my relationship. Is this normal?

Voting Results
68% Normal
Based on 34 votes (23 yes)
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Comments ( 6 )
  • ______________

    Why the fuck would you hook up when in a relationship? Dump the girl for goodness' sake.

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  • Pantiedman

    I often have this same fantasy and then after orgasm I think to myself no way I don't want that....at least that's how it was until recently. Now I have just accepted that I am meant to be a sissy fuck slave and although it hasn't happened yet it will eventually. I was meant to be a sissy sex slave, hopefully the wife will accept this when it happens and join in on the fun. I really want to help her suck a guy until he's hard and she begs him to put it in her pussy. Then while she's getting it to tell me how good a real mans cock feels. Then I want to clean up his mess from her pussy, then his cock until he's hard enough to show me what it feels like to have a real man inside of me too!!.

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  • lovekitty309

    I also get the craziest fantasies when I'm aroused. I know exactly how you feel. Afterwards, it makes me wonder what's wrong with me and why I would even like something like that.

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  • RoseIsabella

    Excuses excuses, you sound like a shame consumed hypocrite. I'm not trying to be mean, just calling it like I see it.

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  • vinter

    @____________, I did not do that while I was with a girl, I was just describing it as background.
    @moonlightwite, those are possibilities. I'm fine when I'm with my gf, and our sex life is awesome, so I don't think it's that. These fantasies preceded the relationship.

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  • moonlightwite

    Is it not too far-fetched to say that maybe you seek those things as a thrill because your current relationship isn't very exciting? Or maybe you have autogynephilia, where dressing up and behaving like a woman sexually gets you turned on? You'll have to research those things for yourself, and determine if that's what your issue is.

    One last thing: It's not a good idea to try to hook up with other people for sexual release unless your girlfriend is somehow okay with it. You should probably talk about this with her, or just break up. It's disrespectful of her person if you can't be honest with her about this.

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