A few years ago, upon the insistence of an old friend, my wife and I decided to visit her new home. She and her husband had designed and built a house on a vacant piece of land that they had bought.They showed us around their labour of love. We were later taken aback when we were told that their live-in helper was occupying the master bedroom while they occupied her quarters. This strange arrangement came about when my friend had called in another friend, a vastu specialist, for a casu...