19. For along time it was hard for me to get as much space as I needed.
Esp. in relationships when I was younger, since the societal "norm" was the people "should" want to be together a LOT.
No small wonder I felt stressed in relationships and not stressed when I was living alone.
Fortunately, with age comes wisdom.
Sounds like you and she both know which type you are and how to get your needs met.