Marriage is defined as a union of body, mind and soul of people of opposite sexes and you can have this so many times in your life with one or more persons with the intention of reproduction. Look at the nature around and you will understand this. So do not get upset about it. Read my articles on “Definitions on Astrology” on this website or on http://www.navagrahastro.blogspot.in. Astrology is nowadays used to frighten people with the unknown future and its complications in life.