*This blog was originally an article published on About.com's Dating site, 2005. Bio: Laurie Wiegler is a Milford,CT-based journalist who usually writes about the environment, green living and engineering. She wrote this in 2005. Title: "The Unbearable Lightness of Being 40" Article: When I was young, I used to ridicule (usually privately) those pathetic middle-aged men hitting on young girls. What were they trying to relive, anyway? And why wasn't someone of, say, my mother's age good enough for them? At 23, I interviewed a gifted concert pianist, age 50. I was impressed by his gifts and flattered that he considered me equally gifted as a writer (ahem). Following him and his entourage around one night, I soon got invited to a New Year's Eve bash at his house -- out of town. After mulling it over, I decided to bus it out to Bakersfield that cold California night, certain that I'd be well take