This is a pretty good description of true introversion. Obviously there are different types of introverts and plenty of people some where in the middle between extrovert and introvert. But people who tend toward introversion should have some or most of these feelings. If you love an introvert, you owe it to yourself and them to read this.
Enneagram & wings. Just like every person is different, each personality type has its nuances. On the Enneagram, we can understand this better by looking at the idea of ‘wings’. This principle says that each of us lean towards the personality types next door to us, and show characteristics of these numbers.