There is nothing quite like it. You are out on a date, and suddenly both parties run out of things to say. The remainder of the date is a seemingly endless gauntlet of foiled conversation attempts and stretched out silences, and at the end of the night both of you know that you will probably never attempt a make up with that person.
Awkward silences can be a killer when it comes to dating; not only have you lost a prospective relationship, you have also wasted an evening. The great shame of it is, most dates have no reason at all for these awkward silences. There should always be something to talk about, and even the chronically shy can find some topic to keep the night proceeding smoothly.
The thing about a date is that it is no different than any other part of life. No matter what you are doing, there will be something to talk about. If you find yourself running out of conversation, then try to for an easy topic by focusing on the date itself- you might talk about the food or the scenery in a restaurant, your feelings on the movie you just saw. Once the conversation gets rolling, it will probably begin to stretch out into other areas and soon enough you will...