Please make yourself at home.

I want to give myself a pat on the back for completing the project ahead of schedule.

She refused his advances, but he forced himself on her regardless.

I will present myself at the meeting.

I taught myself how to play the piano by watching online tutorials.

He was always looking out for himself and his own interests.

She pushed herself to finish the project before the deadline.

He decided to give himself up to the police.

She was beside herself with anger.