[quote author=supple link=topic=63120.msg436862#msg436862 date=1335010583]
Is it because the anus is involved, bringing up gay sex ideas?
[/quote]
I'd say that feminizing is not necessarily to be equated with bringing up gay ideas. In fact many feminization themes in stories do not involve gay sex or contact at all. Many remain devoted to the idea of eradicating, evolving or changing male sexual characteristics into more feminine characteristics, be it in appearance, in dress and mainly in comportment and thought. Often in stories one male will be in the company of other females throughout, with no other males necessarily involved.
It's about subjugating males to female authority, with the added characteristic that in fantasy stories there is inevitably a large sexual element involved. And that element can be both for purposes of embarrassment and humiliation of the male, but it also invariably involves feeling of pleasure and arousal for the same male since, in fiction at least, this is what he secretly wishes to happen. It is a process that is ultimately enjoyable for him as well as for whomever is playing the dominant role.
Involving anal sexual elements is just one of the many elements that can be included in such stories. Any type of anal penetration can be compared to equivalent vaginal penetration, thereby reversing role types. If the anal penetration happens via the giving of enemas, clysters or the use of dildos or dilators, physically it should be stimulating and arousing for males in any case. There is also the symbolic imagery of a male being penetrated by a female, which just adds to the mental pleasure of the situation.
In stories, the fictional justification for a feminizing therapy is often to reduce aggressiveness in a male. I' say that this is just a fiction, a convenient excuse to work along a story line that sounds halfway believable. Anyone who is truly an aggressive personality will most likely become even more enraged and uncontrollable if submitted to such treatments.
Of course there are real individuals who undergo feminization therapy and treatments. But that is because they wish to do so, not because they are forced to do so against their nature. This is where one has to draw a line between real life and what is simply fiction meant for entertainment.
All of that said, it is truly quite fun to think up scenarios and write them up in story form. It helps clear thoughts on the matter and also lets you explore your own feelings and desires. I've written many such stories myself and it can be surprising how they evolve and what you discover about longings and desires you were not even sure you had.