Questions of Identity

I am, therefore I do
I do, therefore I am

Are your actions and works based on your identity?
or

Is your identity based on your actions and works?

If one day, you stop doing a certain set of actions, does that invalidate your identity?

Look in the mirror, look at yourself.
Think.
Who are you?

When pushed to the absolute pits of helplessness, what is the basis of your will to live? Fear?
What is your life's dogma?
Why are you on this planet? Just another mere existence waiting to perish?
Do you believe that you have a great destiny? What is the basis of your belief?

So, what is your identity?

So many questions.
Only one answer.