We all react differently in certain situations and have different level of fear of the same situations. Forming of our response is influenced by various factors of life.
Trembling, dry mouth, sweating hands, instant forgetfulness, nervousness, inner struggle and self-examination: Do I know it? Will I succeed? Will I disgrace myself? What if I make a mistake? – are just a few of the side effects of performance anxiety and questions of regular issues imposed in such alarming situations.
Taken from my book