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