6. Your positive/negative traits are similar to nearly everyone.
In our blind (and not-blind) dating experience, we've noticed that the people we end up dating for more than a weekend tend to like (and dislike) similar things about us. Sure, everyone has different tastes, but if you're used to being complimented on your shy intelligence and your date tells you how much they like your confidence, they clearly don't see you in the same light that previous partners did. Maybe that means they'll work out where others didn't, but it seems to us that it's more likely that there won't be much of a connection there.
5. One good story beats 100 clever lines.
We can sit here all day and talk about the clever, funny, witty, and intelligent responses we've given on dates, but when you're on a blind date, it's tough to know exactly what the other person will think is funny (more on that later). In our encounters, we've found that a well-told interesting and compelling story is a much easier way to bridge the gap between dinner and drinks. Of course, you have to do a little bit of character-judging to determine what type of story you want to tell, but if you have a few in your pocket, at least one should fit in with your perceived realm of appropriateness with your mostly anonymous potential mate.