Of course not. There is strength in numbers. Nuclear families are sitting targets for Satan. Children need to have other adults living with them. Parents can't always be there.
Hospitals have to serve breakfast, lunch and dinner everyday.
In a trinity that would happen even if the men were at war and several of the women were sick in bed. There would probably be at least one person to carry on. To be successful requires planning. We must plan on having our family being taken care of. Father blessed three couples first.