Be careful with that fire or you'll burn yourself.
After a good night's sleep you'll feel like yourself again.
(emphatic pronoun) 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.
(especially Ireland; proscribed) You (singular); even when "you" has not been used previously; see usage notes.
I spoke with yourself last in February.
No one understands me like yourself.
My colleague and yourself are invited to the conference.
I only spoke to my lawyer and yourself about the issue.