Yourself (pronoun)

1. Used as the object of a verb or preposition to refer to the person being addressed.
2. Used to refer to oneself.

Origin:

The word 'yourself' is a second person pronoun in english, derived from middle english 'your-selve', which in turn comes from old english 'geond-seolf'.

Examples:

1. You should enjoy yourself at the party.
2. She told me to keep it a secret, but I had to tell someone, so I told myself.
3. I'm looking forward to spending some time with yourself.
4. It's important to take care of yourself.
5. You're the only one who can help yourself in this situation.