public speaking

REASONS FOR FEAR OF IMPROMPTU SPEECH

In our professional life, we have to communicate with so many people every day. This is the communication which we do not generally prepare. It just happens naturally. The professional talks that we do like this is actually an impromptu talk. In public speaking, an impromptu speech can be an easy thing to do if you keep practicing for the same. Why is it that an impromptu professional talk is easy to do and others are difficult?