You don't think you'll live past it and you don't really. The person you were is gone. But the half of you that's still alive wakes up one day and takes over again.
[N]obody can produce new evidence of your depravity that will make God change his mind. For God justified you with (so to speak) his eyes open. He knew the worst about you at the time when he accepted you for Jesus' sake; and the verdict which he passed then was, and is, final.