Cream-Read newspapers, magazines, and books to be informed and have topics to discuss. With some practice, you can become a great conversationalist.
Excellent advice!
My Hubby is a walking example of scientific trivia! He reads constantly. I swear, he can spout of the most intresting facts on any subject. He isn't a "big talker" by any means...I'm the one with the B.S. yet, there isn't a person he couldn't have something to say to.
ktsnake is right, people do love to talk about themselves. Their voice is music to the own ears!