Vastu shastra is based on various natural forces like solar energy from sun, cosmic energy, lunar energy, thermal energy, magnetic energy, light energy, wind energy. These energies can be balanced to enhance peace, prosperity and success. If a house is made according to these principles, the inmates enjoy all the happiness in life. If it is against vastu principals, it will be a place for all sort of problems, worries and no peace. So if you want to remain healthy, wealthy and happy one should construct his or her house according to vastu shastra.