There is little doubt that people have different personalities. However, in my opinion personality can change when you get older. Several aspects can influence the change, but it is not always extremely notable.
When humans are young, we appear more childish and while slowly gaining knowledge year by year the understanding of the world will obviously change. While growing up people start to form their beliefs, opinions and interests which shape your personality. After finishing school, we have to start working. Naturally, people gain different experiences and knowledge and these new environments that are different than before can change your personality. …