If you read the entire New Testament including Paul's writing you'll see you must be baptized and you must sincerely attempt to live the Christian life. For example I use to argue a bit with a person who is no longer on the forum. He sincerely believed that after being saved there was nothing he could do that would cause him to lose his salvation. So he would talk about picking up women and getting a bit drunk. It was just a bit of fun for him, no harm done in his mind. That isn't what the Bible teaches. Some people don't seem to realize why we shouldn't engage in various behaviors we call sin. They either hurt us, hurt others, or hurt society in general. Often all the above if not always. Living the Christian life means being faithful to your wife, not physically harming her, not sexually abusing your children, not taking from others without their consent, not cheating others, and on and on. What a world we would have if we did the best we could to not sin, and sincerely ask for forgiveness from God and others when we do, and growing stronger in Christ the more we try. That's the utopia I want, not the world some would have giving in to all our base desires. That's a world where women and children are exploited, things are brutally taken by force, and people chemically alter their reality because their world is too harsh. My opinion may mean little to some, but I'd rather that be so than say everything is subjective, do what feels good to you, all is relative, there's no moral absolutes. That gets us that brutal world that we are spiraling into.