HOW TO TELL THE SEX OF A FLY
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A woman walked into the kitchen to find her husband stalking around with a fly swatter.
"What are you doing?" She asked.
"Hunting Flies" He responded.
"Oh. Killing any?" She asked.
"Yep, 3 males, 2 Females," he replied.
Intrigued, she asked. "How can you tell?"
He responded, "3 were on a beer can, 2 were on the phone."