The premise is about original sin and trading your soul to the devil. The word sin is connected to sinistre, which is the left, the shadow, the irrational and the occult. Peter Pan was distraught to find his shadow. The arrogance of perfection is the hardest thing to let go of. We all, if we can see it, think we are right. As in, the right hand being the better one.
Please read your rising sign if you know it.