I believe I am a person with unusual talents. I think I'd be a liar or stupid if I were to deny that.
No one was ever saved because his sins were small; no one was ever rejected on account of the greatness of his sins. Where sin abounded, grace shall much more abound.
But you can't show some far off idyllic conception of behavior if you want the kids to come and see the picture. You've got to show what it's really like, and try to reach them on their own grounds.