Reflexive pronouns

Sometimes I play video games by himself but I also invite friends over to play

If you don't know what is wrong with youself, then ask a doctor

We thought to myself this has been the best day we have ever spent together

She did it by itself

The children made holiday decorations by theirselves

That man is talking to herself

When I saw himself in the mirror I was horrified

She bought itself a new dress

The dog entertained himself with a ball

She told myself that she would never go there again

Please, make themselves comfortable

We all enjoyed yourselves at the party