Good question, it's called testing the waters. If your prize is on the other side of the water and you won't swim over because the water is to cold. Then you can't adjust as your body will adjust to the water, your mind has to adjust to being patience and a lot of us just don't have it. Some will some won't some waiting? I wouldn't even worry about it.
It's just wasting your time, they weren't serious in the first place is the real answer.
