What sentences describe introversion?

I like being alone, but I'm not used to being alone.

Since learning will not be lively, please keep silent.

Introverts are not incompetent, but easily buried.

I like quiet, but they always think I'm lonely.

Half the people in the world are introverted and half are extroverted.

So introversion is not an excuse for your inferiority.

In fact, I am mean, not good at gentle words, not comforting, and lazy in communication. When you speak, you are silent and often alienated. I never deliberately maintain my indifference, and I am no more than others. Naturally, I won't pray for how long you can remember me.