Because they're too high-strung. Corny I know, but I wrote it myself and had to put it out there.
They found her Head & Shoulders under the steering wheel!
No one knows - every time they pick one up, they end up giving it away.
Walk this way
A Myfeetasaur
French War Heroes.
One's a cunning plan, the others a punning clan.
A cuddlefish! (corny I know)
It's CoRnY