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… Killed any?" she asked.
"Yep, three males, two females," he replied.
Intrigued, she asked, "How can you tell?"
He responded, "Three were on a beer can, two were on the phone."
- deteriorate. retrogression n. Retrogressive adj.
n. in retrospect when looking back. [from *retro-, *prospect]
n. Any of a group of rna viruses which form dna during the replication of their rna, and so transfer genetic material into the dna of host cells. [from the initial letters of reverse transcriptase + *virus]