Most of our problems in this world are caused by overpopulation. Half of them could be solved if we were to show some constraint in our reproduction. Imagine if you had in your possession a button that gave you the power to control human fertility. Would you push that button just to see what would happen and what affect it would have on our beautiful planet? This little book poses the question. It is a plea to show some sanity towards ourselves, others and the world in which we live. You man not agree with the conclusion, but you will no doubt see some sense in it.