With your opening line, you're really just dowsing for attraction. If the chemistry's there, the conversation will flow easily; if it doesn't happen, forget it and move on. The trick is to not jump to the middle of the conversation. You need something appropriately light, provocative enough to get things started but subtle enough to let him off the hook if he's not really interested.

Also, don't be afraid of awkward silences. If he doesn't walk away, it means he still wants to talk. If you have the nerve to wait 30 seconds here or there, you'll be amazed at the results. Ready? Here are five ways to start things up.

1. Say something specific to the event you're at.
If you're at an art gallery, you can comment on the exhibit. If you're at a show, you can give your thoughts on the band. Don't weigh in like a debater with an opinion, just float your viewpoint out there and open the door by turning it into a question: "Were those guys great, or what?"