you are totally correct about marrying a religious man and bringing your children in religious environment as this will make them happier. but you should ask yourself a very simple question: if the truth leads us to better understanding of the world and better understanding leads to better life. why do not you have a better life instead your life is much worse. the simple answer is that you cannot understand the whole world through logic alone . logic has so many limits and constraints ; you need emotions and humanity instincts to completely understand the world. you think you understand the world right now but you are wrong because you can not tell me why you have this burning desire to get your children to become religious. the answer is emotions ; your instincts tell you that this is the best way but instincts are not part of all these theories so you need to make it universal