Generally, a person has two reasons for doing something...
One reason that sounds good, and then one reason that is the real one.
Parent: "Why did you swallow the money I gave you?"
Child: "Well, you did say it was my lunch money."
What has two arms but can't raise them?
A chair.
All parents are proud of overachieving children, and one father was no exception...
The bumper sticker on his car read "My Kid Made Your License Plate".