A person fears when he senses a resistance to his/her survival or either there is an psychological attack on his thoughts. Sometimes fear may be practical and rest of time it’s just virtual in one’s thoughts. When we are infant we have less fear but as we grow up it expands. This is because human brain is constantly filled with information and knowledge in the growth process by either his own experiences, some major threatening incidences or by external sources like the surrounding people. Fear may vary from person to person and they largely depend on once experience and knowledge. Example:- Some may have fear of height but others might not, some people gets thrilled by horror movies and they find it near to death experience. On the other hand some may find that highly exciting. But surprisingly fear plays a significant role in survival. Some amount of fear is necessary to keep life on track. Imagine if everyone is fearless, they will welcome their death, by hanging o...