Not an introvert, not an extrovert: something else entirely.

This article originally appeared on Holly Wainwright's Substack, Holly Out Loud . Sign up here .

At parties, you might find her hiding in the toilet.

But at a dinner with a couple of close mates, you'll probably find her refilling glasses and gabbing until close.

She probably won't join your Book Club , but would you like to go for a walk , just the two of you?

No, she doesn't want to do team exercise , but she loves a busy gym class where she won't know a soul.

She likely won't publicly sign that petition you sent her, but she'll read about it, and maybe cast her support in a private, quieter way.

Who is this stand-offish, precious person? Well, it's me. And maybe it's you.

Because only this week, making Mamamia Out Loud , I learned that there are more different