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