Haven't watched the video, but... People tend to mix up introvert/extrovert and social/antisocial.
Me, I really do like and need social interaction....But ti's also incredibly wearing and exhausting for me. My wife, she likes and needs social interaction, but she gets energized and activated by it, so that's not much of a problem for her. My mother finds social interaction exhausting but also doesn't need it much. My wife's a social extrovert, my mother's an antisocial introvert. I'm some sort of mix, needing the interaction but also dreading it :-P