A woman walked into the kitchen to find her husband stalking around with a flyswatter.
"What are you doing?" She asked.

"Hunting Flies" He responded.

"Oh!, Kill any?" She asked.

"Yep, 3 males, 2 Females", he replied

Intrigued, she asked. "How can you tell?"

"3 were on a beer can, 2 were on the phone".