“Many are harmed by fear itself, and many may have come to their fate while dreading fate.” Seneca, Oedipus.
When you spend time fixated on the source of your fears, it’s easy to miss or not notice everything else around that is not threatening or to be feared. You lose perspective and with that the ability to retain some control of how you intend to deal with matters. A self-fulfilling prophecy can be formed.
If you don’t control your impulses, you might be the very accelerant that speeds up the negative outcome you fear. Challenge those fears in the dark corridors of your mind. Take a step back: how scary is this? Have you experienced similar things and survived? What do you intend to do now?