The Differences Between Men and Women

And then, one evening when they're driving home, a thought occurs to Elaine, and, without really thinking, she says it aloud: "Do you realize that, as of tonight, we've been seeing each other for exactly six months?"

Note: I've been told that this is from a book by Dave Berry, Dave Barry's Guide to Guys. Since I don't have permission to use it, I've removed it. I hope you get the book and read it because it's great!