Most people live hectic and competitive with so there's less time for self conscious because it takes to much activity each day, kop, such as work. Study books, etc.
Most people use the hustle and race against the clock. As a result, the less self-conscious. It takes time to commensurate with daily activities such as work, school, etc.
Most people live the hustle and compete with time. Therefore, a time to care yourself less. Because of the time go around events on a daily, such as work, study, etc.!