Okay, it's not better than sex, but it's better than a really good hamburger. I listen to audiobooks while I'm at work, Lately I've been listening to The Teaching Company's series. these are lectures from the best professors in the world, each course is a series of 12-24 lectures about 30-45 minutes per lecture. I've learned about biology and physics and classical music, etc. The last one was about Relativity. I've known about Relativity for years, I could tell you what happens if you turn on your headlights while traveling at the speed of light, I could recite the twin paradox, etc. I didn't learn anything new from the series, but for some reason I had "that" moment. I had an epiphany. All of a sudden I not only knew relativity, I KNEW relativity. I love that feeling when all of a sudden I get it. That's why I love learning things. It's such a cool feeling. Speaking of learning new things here's something I learned from the biology lecture. You've already heard that female roommates will start menstrating at the same time, but did you know this? Both women do not change their cycle, The dominant one will stay on her same cycle and the roommate will change to match her.