8. I am terrified of producing a lousy advertisement. This causes me to throw away the first 20 attempts.
9. If all else fails, I drink half a bottle of rum and play a Handel oratorio on the gramophone. This generally produces an uncontrollable gush of copy.
10. The next morning I get up early and edit the gush.
Coming up with a catchy tagline sounds a lot like coming up with a punchline.