The more you try to suppress the feeling, the great sense of disappointment you'll feel. If you know its not going to worth the effort, then re-track your steps before you even sink in deep. Otherwise, if it's worthy of the wait then stick by your judgment and go for it! =) Tell yourself at the end of the day that at least you've tried. Whether or not things happen doesn't depend on you and you alone. So yah, don't always let look down at yourself. It's time to secure the service back into you court again ;D