- May 7, 2017
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In my personal opinion, which is in no way a general consensus, I would say that the main drive is "consequence".By the way: Can you pregnancy enthusiasts explain exactly what it is about it, that makes you tick?
I need this information for academic and practical purposes
It's not so much a 'pregnancy fetish' as an 'impregnation fetish' for me. The thought the sex carries more than just release.
The same notion plays in your own game already - here the sex can result in more than just release: a devoted new lover, subjugation, progression ect. Pregnancy can help add weight and consequence to a sex scene.
This is, again merely in my opinion, the reason fans of impregnation often favors the harem tag. If a sex scene can result in a new addition - and thus not merely release - it adds the wanted weight.
I personally like to see my character having some sort of effect on the world he threads. A sex scene is gone the next day in game, heroic deeds and lovers in a few generations but world populated by your kids still has an imprint. Silly, I know.
It doesn't have to be the deepest system. A variable per relevant character tracking pregnancy - resulting in children/events set to autonomous movement: 'random'. Though of course, as many a lad says on this site: the deeper, the better!