They can stick to the subject!
To stop themselves sinking into the sand. Why did the ostrich stick its head in the sand To look at the camels who forgot to put their sandals on.
A handshake
Eh?
An extroverted Techie looks at *your* shoes when he's talking to you.
Because all of his uncles were ants!
Because the subject is still to immature.
An aard ark!
Two aardvarks!