God has created man as a sexual being in order to insert love into the human life so man can be able to get out of the solitude and to get rid of selfishness through opening up to the others and forming a family in which all the purpose of love, unity, sharing, and giving are manifested. Through this book, were going to follow sexuality since the beginning of creation, then how it was changed and disfigured after the Fall, and how it has been redeemed and renewed through our Lord and Savior, Jesus Christ, and how we can nowadays live our sexuality as a part of our whole human practical Christian life.