Reading A Self-Dialogue on The Value Proposition of Romantic Relationships, had the following thought: 

There's often a "proposition" and separately "implications of the proposition". People often deny a proposition in order to avoid the implications, e.g. Bucket Errors 

I wonder how much "you're perfect as you are" is an instance. People need to say or believe this to avoid some implication, but if you could just avoid the implication it would be okay to be imperfect.