I am a reflexive pronoun myself.

1. become an item

A. Some verbs need reflexive pronouns such as absence, bathing, entertainment, blame, dryness, reduction, enjoyment, injury, introduction and behavior.

B. used for transitive verbs+objects+prepositions

I couldn't dress myself at that time. I couldn't dress myself at that time.

2. Make a prediction; appositive

I'm not myself today. I don't feel well today.

3. There is no emphasis, but prepositions such as except and for can be followed by reflexive pronouns or personal pronouns. For example:

No one was hurt except myself.

note:

A. Reflexive pronouns themselves cannot be the subject alone.

The mysterious car.

I drive by myself. I drive by myself.

B. But among the coordinate subjects connected with and, or, nor, the second subject can be a reflexive pronoun, especially myself.

Charles and I both saw it.

My own is used in many ways:

one's own

A room of my own.

My own room.

independent

He is now a college graduate and lives independently.

He has left college now and lives alone.