INTRODUCTION:
It is very difficult to understand human behaviour. This is because human being change their behaviour according to situation. Human behaviour is the response of individual to internal or external stimuli (Hillson and Murray-Webster, 2017).The behaviour of humans is influenced by several factors such as culture, values and beliefs. Besides this, personality and traits is also an important element in this. There are various mystery involved in understanding human behaviour. This report will throw light on several theories that is given by scholars and psychiatrist. Also, it will reflect on evaluating theories on basis of human aspect.