What to do -sex,ethics,morals,society?

Our Indian system of living divides life, since ancient times, in four parts assuming the life span to be 100 years. For first twenty five years, you have to concentrate on your education and must observe complete celibacy. The drive for sex in any form must be kept under check. The next twenty five years, you are permitted to marry and have normal sex life, have children and concentrate on your profession and fulfill your duties towards your family. In the third phase of twenty five years, you must start withdrawing from your daily duties shifting the leadership on the next generation gradually. In the last phase which will start at the age of 75 years, you must say quits and retire to a secluded place and spend your time in prayers, preparing yourself for death which may come any time. It follows from above that sex is permitted only from the twenty-fifth year of life to fiftieth year. Even during this period, sexual activities are bound by a strict code and it is not any day, any time and any where. The God has made sex as the most powerful of all drives to ensure continuation of universe through procreation, therefore any sexual activity outside the marriage or before marriage where pleasure is the motive, is forbidden by all religions.