Does PMS and 'roid rage exist in your world? Hormones are chemicals. They are the source of emotions. Emotions are the carrot and stick along with pleasure (endorphins) and pain that helps drive positive evolutionary behavior absent discretionary memes.
Tell me, Soliton: How was it that you were able to come up with that clever response? Was it merely the reaction of various chemicals colliding with each other? Or is there something inside of your body that is really you? That “real” thing that’s doing the thinking — that’s invisible, and supernatural. Science points to your existence. I believe you’re real, Soliton.