There would be soo many benefits of having another couple on the homestead. Friendship would be on the top of the list, having good friends would make work more enjoyable. The work load can be divided, among all. Four minds are better then two

The ability to design or create a certain system for the homestead would be attainable with a combined effort. Meals would be fun and exciting with, lots of laughter and enjoyment, not to mention the clean up would be faster Haa Haa! The sex would be Moi Caliente
