For true immersion, mods like Your Own Thoughts exist to break up the mediocrity and give a fresh perspective on things.
A lot of old fix mods are still floating around out there.So here is a list of the top Skyrim multiple marriage mods that allow polygamy in Skyrim.
Includes a couple Khajit, Wood Elf, and High Elf NPC which are not offered in vanilla game. I dont need marriage if your spouse (female or male, that doesnt count) just is sitting around, giving you money and cooking.