Whatever happens in your life , you are the writer of the story. You think something and your brain believes it and it happens and we think that’s what would have happened anyways. But the truth is it’s our expectation and we actually got what we expected.
For eg, When you are afraid of something would happen, your brain being a obedient servant ,interpret that as your wish , do all possible things to make it happen. So try this trick, when you are afraid of something, tell your brain that won’t happen ever and make it believe , then watch your fear vanish from your life.