It was however very useful for me when I learned the labels ~10 years ago. Before that, one was either outgoing or shy. I felt like neither. Suddenly there was

It was however very useful for me when I learned the labels ~10 years ago. Before that, one was either outgoing or shy. I felt like neither. Suddenly there was a new axis as well, explaining what I felt. And news articles started popping up, people talking about the concept etc. Made it much easier being an introvert.