What is the title of ones self?

Some wear the prefix of Dr. Some, Sir. Some Mr. or Mrs. or Miss.

Royalty place great importance on title. Of position and rank.

Military salute officers all the way up to General, Politicians; titles all for all.

Even genders have title. Man/woman. Emotions have title. Love/hate.

Stories have title as if to  lead.

A question: Once this world is gone, past, deceased… what then, will the new title be?