On one hand, challenging the body or brain as well as having excitement are argued to be two reasons for the belief of some people which a hobby needs be complicated in some ways to consider it as pleasurable. For instance, some keen to try extremely exciting entertainment like Bungee jumping, Parachuting, Water rafting, and high diving. Adrenaline hormone is produced in a person who faced with stress as a result of exciting activities that stimulates the release of dopamine in the nervous system that leads to feeling wellbeing. Some enjoy facing amusement which challenges their body or their mind. For example, solving a difficult puzzle or defeating a competent opponent in chess is delightful. Also, some tough activities need the special physical ability that when people can afford them, they feel satisfied.