From The Study...A conversation of possibilities. Discovering ourselves

What's right with humans...
It would appear, that anger is caused by harm, and fear is caused by
the prospect of harm. Actually, the causes of anger and fear are identical.
Only in the case pf anger, usually these things have occurred, where as
fear, there is usually merely the prospect that they will occur.
From this consideration we arrive at a familiar fact, namely,
that fear and anger go hand in hand, are caused by the same thing
In different stages so to speak. One travels on the heals of the other
or, better said, "one transformed into the other."
Another qualifying point...a person's sense of adequacy also influences the situation.
If a person feels adequate to cope with the given stimulus, they will become angry...if not
They tend to become afraid!