Thus sayeth the Beach Boyz: "Wer'e givin' out good vibrations . . ."
Sounds like you mean the difference between positive and negative density, bro. Worry or fear alone is not enough but when it becomes belief and maybe faith well then you get what you ask for, like it or not. I've been dreaming of a date with Cath Zeta-Jones but she's nowhere in front of me, what gives? 8-)
But you have it completely wrong.