Mercedes' English Class

Grammar explanation

Reflexive pronouns are words like myself, yourself, himself, herself, itself, ourselves, yourselves and themselves. They refer back to a person or thing.

We often use reflexive pronouns when the subject and the object of a verb are the same. 

I cut myself when I was making dinner last night.
I hope you enjoy yourselves at the party tonight!
My phone isn't working properly. It turns itself off for no reason.
We need to believe in ourselves more.

It can be used for emphasis, it is not essential to the grammar of the sentence but is added for emphasis.