Because he wants the house under construction to bring him joy, as well as joy for his future children. And what a joy if there is no way to run on the grass? Or even lie down in the mood? And picnics? What is the dinner in nature, if there is only naked earth? Or even worse, asphalt? No, there is at least a herbal lawn should be. And necessarily good quality. But on its own, it will not appear, it needs to be done. That’s why the multi -storey buildings of lawns, most often, do not, but private houses have them ..