Why do people sometimes prefer to be alone?

I think there are numerous reasons why people prefer to be alone. First, they can think carefully about the things happening around them. Other introverted individuals usually want to be alone. For me, when I come across daily difficulties, I often want to be alone and make some decisions.

Well, to be honest, there are several reasons why some people prefer to be alone. First of all, due to their characteristics, some people are introverts, so they don't like to live in crowded places. They need to recharge their brains and minds from time to time, so they don't want to be around others. [...]