He is an emotional person, so he gets angry quickly.

He began an emotional monologue on stage.

He began to soliloquize.

He showed his best performance on the stage.

His emotion was clearly shown on his face.

I decided to start a new project.

He came to Japan for the first time.

Since I started studying Japanese, I have been able to understand more about Japanese culture.

He started playing the piano.

He is my best friend.