From the beginning of human existence marriage was blessed by God and remains so always, no matter what convictions and beliefs adhere to enter it. As Orthodox Church refers to fornication? Why do marriages fail? Does a family happiness desire to live by the principle: "If only I was good"? Professor of the Moscow Theological Academy Alexei Osipov, answering in our book on the pressing issues of our time, at the same time reveals the "theology of the family."