When Sharing Edits on a Manuscript with a Professor

PROF: YOU NEED TO ADD A RATIONALE FOR WHY YOU CHOSE THESE PARTICULAR YEARS TO REVIEW THIS SUBJECT; ME: YOU EDITED OUT THE DESCRIPTION I WROTE OF WHEN THE SUBJECT WAS CREATED; PROF: THAT'S BECAUSE YOU DIDN'T DESCRIBE WHY THE SUBJECT WAS CREATED! ME: I LITERALLY WROTE WHY THIS SUBJECT WAS CREATED IN THE FIRST PARAGRAPH THAT YOU DELETED! PROF: BUT YOU HAVE TO WRITE THE RATIONALE IN THE SECOND PARAGRAPH