O is for Only one bed (Romance Tropes in Folklore)

This year, my A to Z Blogging Challenge theme is Romance Tropes in Folklore! For each letter, I will pick a popular trope from romcom movies and romance novels, and see if I can find the same trope in folktales and legends. Because it's fun. Here we go.THE TROPEIf there is a "most often quoted" romance trope, THERE IS ONLY ONE BED would probably be it. Also known by the more general term of "