It's getting the LATEST response, and for that I apologize, but you're asking for something WELL outside my wheelhouse (not just adding Religion checks to an interaction, but combining the original Medium Religion with G-Rated Religion). I know it's doable, Larky said it was doable back in the day, but I don't know how to do it. And... well, it's been four and a half years, probably you've progressed as a creator, but if your first question is still "Where do I find a BHAV," then you've picked a really ambitious project.
You could easily add a Faith/Zeal check to a romantic interaction, no problem, but if you're using the G-Rated Religion mod instead of Chris Hatch's original Medium Religion mod? That faith check won't do anything, because there's no way to add those tenets to an individual religion using G-Rated Religion.
Larky said it would be possible to build a religion mod that used both the original Medium and her G-Rated edit, but it would take a much more skilled modder than I am to figure out how to do it. Heck, when Larky built the edit by adding Tenets rather than default-replacing them, she went above and beyond what I would have done.
I'm sorry I don't have a better answer for you after all this time.
Re: Adding banned behaviours
You could easily add a Faith/Zeal check to a romantic interaction, no problem, but if you're using the G-Rated Religion mod instead of Chris Hatch's original Medium Religion mod? That faith check won't do anything, because there's no way to add those tenets to an individual religion using G-Rated Religion.
Larky said it would be possible to build a religion mod that used both the original Medium and her G-Rated edit, but it would take a much more skilled modder than I am to figure out how to do it. Heck, when Larky built the edit by adding Tenets rather than default-replacing them, she went above and beyond what I would have done.
I'm sorry I don't have a better answer for you after all this time.