Some people are very sensitive. According to Elaine Aron, Highly Sensitive People are about one fifth of the population. Most people are more or less insensitive. Psychopaths are extremely insensitive. About 2-4 % are psychopaths.
Life is often difficult for Highly Sensitive People. They suffer among ordinary people because ordinary people are so insensitive. Extremely Sensitive People can sometimes experience paranormal phenomenons, like synchronicities, precognitions or strange vibrations. Normal people consider them wacky or neurotic.