It is not necessary that you have to choose a guy out of the ones you meet. Like you, there are many other singles who have come with the same purpose of finding a match. It would not only hamper your image but also make a bad impression on other guys who you were interested in.
It is the modern day technique to find a boyfriend.That is to say there is nothing that puts matchmaking into an event like speed dating.Candidates have to register prior to the event with a copy of their brief introduction.So, you have finally taken charge for yourself and have decided to attend an event to find a perfect match for yourself.
That does not make this a life changing event for you.
That is there are some unwritten unsaid rules that every girl should keep in mind when planning to go for speed dating.