I think it would take 2 hours to customize an already built sex mod pack for Skyrim instead of making it yourself.
Actually, for me it takes like 1-3h to prepare Project SkySex, which one imo is the best sex pack for skyrim, great graphics and some gameplay tweaks.. Only you have to prepare settings and add some up-to-data mods with new anims and scenes.
But its really annoying to prepare skyrim for "gaming" in proportion 90% settings, finding mods, customization, fixing bugs/errors and 10% gameplay
Аnd this is just the tip of the iceberg, during "gaming" phase those mod packs can broke whole game