I'm in the middle of planning my own module, and I've been thinking about the same issue. In fact it might be an optional setting for the module. Anyway I can easily add that functionality in later if I want to. But I'm not sure if it's such a good idea. It would be based on constitution so a character with 8 con might be able to change positions five times while a character with 18 con might be able to change eight times.

I was thinking of having each position change cause a variable to tick up and once it reaches a certain point your character will orgasm whether he likes it or not. Obviously not every encounter will use all the animations, and some will use some animations I haven't put together yet like having sex with a sleeping character, but all the groundwork is pretty much there now. Everything seems to be working more or less the way I want it to now. Also set up scripts to run the sex animations at 60% and 150% speeds for faster/slower options. As well as setting a variable to tell the game what position you're currently in so you won't for instance, be fucking doggy style and have an option to change to doggy style while you're already doing it. The scripts are all for triggering the different positions, they require removing control from the player, moving the player and partner to the correct position, stripping them down, and triggering cutsceneghostmode so you don't 'bump' into each other and of course starting the animation itself. This one won't require any sort of checks or anything.

It's a simple 'starter' scene with the innkeeper.

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