In order to fully understand sexuality today, in a culture drowning in lust and confusion, we have to go back to the very beginning, to Adam & Eve, and learn that human sexuality is not about fun, pleasure, love, or even procreation; it's about Jesus. Can we really use Adam & Eve as that kind of universal principle? Adam & Eve in Worthy Paradise by Peter Paul Rubens (1615). Genesis Principle Genesis 2:24 reads: " For this reason a man shall leave his father and his mother, and be joined to his wife; and they shall become one flesh." This brief verse following the creation of the first humans is more than just a description of the first act of sex between Adam & Eve, but a principle and standard by which all future human sexuality and marriages should be judged and based on. The future tense of "shall" and the reference to father and mother, of which Adam & Eve had none, shows this is, in fact, talking about future sexual relat...