Sure, but there's room for other behavioral traits also. You don't know what goes on in their heads and the extent of those traits you listed probably has to do with other factors. She's exaggerated, and she might not even be ESI, but still. I might not be ESI either, whatever, I'm not attached to it anymore. Guarded, serious, anxious, practical, sure, but I don't feel like I'm someone's repressed russian grandmother either.