I know that you really don't know enough to know that you don't want to know me, because you might not know what I know that I want to know you and we both know that's saying something.

If two witches were watching two watches, which witch would watch which watch.

When a doctor doctors a doctor, does the doctor doing the doctoring doctor as the doctor being doctored wants to be doctored or does the doctor doing the doctoring doctor as he wants to doctor.