Because some preachers were saying that God’s grace permits Christians to practice immorality, Jude urged us to avoid their error by keeping ourselves in the love of God.
Not only are believers in Jesus justified before God, but we also have peace, grace, hope, love, reconciliation, and salvation.
In order to understand marriage, we need to go back to the creation of the woman in Genesis 2:18-25.
Through a series of mistakes by the disciples, Jesus taught them and us what following him is not.