It is important for each person to fulfill their role.

Watching a movie alone is enjoyable.

I went to see a movie by myself.

The police are conducting a search to find the runaway boy.

He resolved to make the new project a success.

He made a personal determination for his new job.

He ran away from home and decided to live on his own.

He ran away from home and stayed at a friend's house.

We should live our lives to the fullest.

He is my best friend.