There are certain sorts of jokes which have only to do with the substitution of the unexpected word in a familiar context. If you translated something into French and then had it translated back into...
The way 'star' used to be reserved for a small number of people, and when the star category became so vast, they came up with 'superstar,' and then they came up with 'megastar.'
Even when the writing seems very frivolous, I'm puritanical. I don't mean my subject matter. It's that I'm almost pathologically incapable of leaving something when I'm not quite happy with it.