Introspection is always retrospection
It answers the question that was tormenting you: my love, you are not 'one thing in my life' - not even the most important - because my life no longer belongs to me because...you are always me.
Originally, poetry creates the myth, while the prose-writer draws its portrait.
All human actions are equivalent... and all are on principle doomed to failure.
What is life but an unpleasant interruption to a peaceful nonexistence.
One could only damage oneself through the harm one did to others. One could never get directly at oneself.