How many people have actually been tested for “Selective Hearing?” It’s that condition commonly referred to as “hearing only what you want to hear.” It affects primarily males, but it’s not entire to men.

Why do all men have selective hearing? (Daily Mail Online)

The hearing ear is always found close to the speaking tongue; and no genius can long or often utter anything which is not invited and gladly entertained by men around him.
Quotation from Ralph Waldo Emerson, English Traits