Reflexive Pronouns
myself, yourself, herself, himself, itself, ourselves, yourselves, themselves
They are used to refer back to the subject of the sentence and stand as objects
They indicate that someone or something acts upon itself
They are formed by combining personal pronouns with "self" or "selves"
They are also used after nouns or pronouns to emphasize them, they are called "intensive pronouns".
Examples ;
She stretched HERSELF out in the sofa.
I wrote it to MYSELF.
The teacher HIMSELF gave me his address.