Lyric discussion by MusicallyAffected 

In my opinion this song is about not being controlled and being your own person. The "robot" is a metaphor for all those who follow the crowd and are controlled by society's opinion of 'normal'.

"I am not a robot" - Robots have to be controlled they are not in control. She doesn't want to be controlled by others she wants to be her own person and not be defined by the 'normal'.

"Better to be hated than love, love, loved for what you're not" - You don't have to fit in. It's better to be your own person that let others control you.

She is telling those who are pretending to be someone they are not that it's okay to be different. That they aren't another one of society's 'robots' who follow the crowd and allow themselves to be controlled by the media, celebrities and their peers.

Basically you don't have to like music in the music charts, the fashion in the magazines or look like everyone else to fit in. You are you not another robot.

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