False Evidence Appearing Real.
Most of what we are afraid of has not happened, will not happen, and would not look the way we picture it even if it did. The body reacts as if it is real. The mind builds the worst case and rehearses it.
We have all been there.
The question that loosens the grip is simple. What is the actual evidence?
What is one fear you have been carrying as if it is real, that you cannot point to actual evidence for?