Board Thread:Theories and Speculation/@comment-9782468-20160223232833/@comment-9782468-20160226023705

@Shishi, it was even stated that the Sharingan taxed Kakashi more than an Uchiha because he didn't have the "Uchiha Body" for it. An Uchiha has special powers and whatnot from simply being an Uchiha. They're adapted to their eyes. Kakashi was using a borrowed power, and there's only so far he could get with it on his own.

@MlGShinobi, Do you mean in general? About the perception of time thing? Or just with Tsukuyomi? I believe that a victim's perception of time may not be linked with the real passage of time, yes.