This has become evident in the results of numerous studies carried out over the past decades. At every stage of a person's life, there is a motivation that influences and shapes their personality. Genetics builds personality traits from birth, caregivers influence these traits, once adolescents are affected, the peer factor plays an important role in personality formation, the social environment and circumstances surrounding a person modify these traits again and once the person is older, although the change may slow as maturity is reached, it does not stop as life events and health factors influence these traits again. features. Although the traits are always present, it is evident that changes occur throughout a person's life. However, these changes may not be easy to understand because they usually occur gradually and over a long period of time. With a sudden change which can be caused by a dramatic event, for example an accident which would modify a person's social environment. Due to the length of time a study can take, it has been very difficult for researchers to follow an individual throughout their life to arrive at an actual result. Most studies have been conducted over a period of up to 20 years and therefore the response to personality withering may continue to change.