Why is knowing a few interesting conversation topics so helpful? Because since you're an interesting person, you have a flurry of thoughts swimming around in your head, right? They range from the absurd to the practical and you can't wait to share them with the world. And unfortunately, every once in a while you might draw a blank and run out of questions to ask. Maybe the girl you're talking to gives you the jitters or your cxonversational partner is as interesting as a wet plastic bag…