Dark Ages Insult

You should have been born in the Dark Ages, you look terrible in the light.

Good Come-Back

A friend of mine came up with a very quick response over vacation. We were walking down the street and I glanced at a girl who had just walked by. She turned around and said to me, "What are you looking at?" My friend, walking next to me came to the rescue, "He thought you were good looking, but he was mistaken."

Improvements

You're not acting like yourself today, I noticed the improvement right away.