[Heatth]

Originally Posted by quigonkenny

Spoiler for Volume 4:

Take anything that happened in the Yukiverse with a large grain of salt. It was designed to be Yuki's perfect setting to hook up with Kyon, not a simple "world without powers". Thus it was designed around Yuki and Kyon. The changes made to the memories and personalities of Mikuru, Haruhi, and Itsuki were done to get them out of the way, and are not necessarily indicative of "life before Haruhi".

Spoiler for Same:

Wait, I missed something. While it might be true it was designed around Yuki and Kyon, I don't remember any change in personality. Every one was acting as always, but without being friends or supernatural. The sole exeption might be Ryouko.