Some experiences cannot be remembered, such as the first year of life. Although we cannot remember this period of our lives, we have discovered and developed reactions to our world. Parental interaction is needed during this time to help develop a sense of trust; therefore, parents are a big problem during development. They are the ones we look to to know how to respond to the environment around us. We develop some fears because our parents are afraid of them, and we develop likes and dislikes based on our parents' interests. Personality is a collaboration of our reactions to the world. Every personality is different, although some people may have aspects similar to another's personality. The more common they are, the better they become