Lonely People Become Self-centered as an Evolutionary Response to Protect Themselves. People become self-centered when they feel lonely because it helps protect them from harm, scientists have said.

What makes a person so self-centered?

There are various degrees of being self-centered, but the general traits are the same: putting themselves first, only caring about their needs and wants, being unable to see another's perspective, being uncaring of others.

What is the root of selfishness?

Lack of empathy has been seen as one of the roots of selfishness, extending as far as the cold manipulation of the psychopath.