You will probably have conflicts among mods but you will be able to rearrange/deactivate mods as needed. This may mean you have to start over, I would even recommend a clean install of your game (my 5 year old save was still intact when I started the fresh install), or take the time to transfer your mods over to MO. There is also NMM (Nexus Mod Mngr) but I prefer MO. Mod Organizer - Stop installing the mods manually and use a mod manager.
![sims 4 naked body mod sims 4 naked body mod](http://thumbs.modthesims2.com/img/4/2/4/8/MTS_Warlokk-394611-34De-36_Full-Body_Base_Set.jpg)
If you want much more advanced sexual content, rape, companions, BDSM, tons of positions, then you need Sexlab (more on that down below).
![sims 4 naked body mod sims 4 naked body mod](https://64.media.tumblr.com/38ce389a35c3ff033aca71260725eab7/tumblr_ofpww0xArr1tjrolto7_r2_1280.png)
If you just want naked skins and a simple sex mod, get the Nudity and Physics you want, and then Animated Prostitution. For Sexlab mods, which this guide is based around, you will need these essential files.