How to get eternal life?

Matthew 19:1-30
God created male and female at beginning. For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh’. So they are no longer two, but one flesh. Therefore what God has joined together, let no one separate.
Some one has marriage, someone does have marriage. The one who can accept this should accept it.
The kingdom of heaven belongs to such as these , the little children come to Jesus.
How to get eternal life?
1) obey the commandments. 2) If you want to be perfect, go, sell your possessions and give to the poor and you will have treasure in heaven. 3)Then come, follow me.
Who then can be saved? Jesus said, "With man this is impossible, but with God all things are possible."
But many who are first will be last, and man who are last will be first.
The rabbis disagreed about divorce. some allowed it for anything that displeased the husband; others oly for unfaithfulness. Jesus goes back to God's purpose for man and woman at the very beginning. That is how god meant it to be. Moses, dealing with a situation that fell far short of the ideal, placed a restriction on divorce. Jesus says that adultery is the only legitimate reason.
Why?
God has joined together, so we have to obey God's word, do not separate, no divorce to Christian.
The standard seems too high to Jesus' followers and he recognizes this: it is too hard without God's help. 
Even so celibacy(獨身) is not the answer for most people(it was very unusual for Jews). Jesus is one of those who forgo(放棄) marriage to carry out a special commission from God.
How?
Love my wife with God's love and help. So as get the eternal life need God's help.