- Your usual, normal, or true self.
"After a good night's sleep you'll feel like yourself again."
- (reflexive) Your own self (singular).
"Be careful with that fire or you'll burn yourself."
- You (singular); used emphatically, especially to indicate exclusiveness of the referent's participation in the predicate, i.e., that no one else is involved.
"You yourself know that what you wrote was wrong."