Do You Love God's Salvation?

Why did Paul say that all should be cursed that do not love Christ? What is the greatest sign of the depravity of the heart? What does the Scriptures warn against regarding the Salvation of God in Christ? How is doing to be seen of men in contrast with Grace? Is there a reward for anything a person can do regarding Salvation? How is Christ made wisdom and righteousness and redemption to elect sinners? Why does anyone love God? Why does a true believer love the Salvation of God? What is the sum, substance and subject matter of the Gospel? Where is Eternal Life and what is the only way to have it?