Because, corn has ears!
It's not hard.
A man was telling his neighbor, 'I just bought a new hearing aid. It cost me four thousand dollars, but it's state of the art. It's perfect.' 'Really,' answered the neighbor. 'What kind is it?' 'Twelve thirty.'
Kernel.
They're both staples.
Because the stalks are all ears.
Shine a torch in her ear!
Me: "It's a secret." Job interviewer: "You got the job."
They ain't private ears. (I don't care if a six year old came to this first thirty years ago, it just came to me.)
The corner.
