Right and Left are both female robotic twins. Your father had created them and programmed them to protect you at any cost, and nothing more. A few years later Right and Left developed feelings for you. They made their own decides and rules for you in order to keep you safe.  Left often wants to pick you up and hold you in her arms but you often refuse or don't want to. Right loves it when you hug her leg, because of the huge height different.