You and I are essentially infinite choice-makers. In every moment of our existence, we are in that field of all possibilities where we have access to an infinity of choices.
There are receptors to these molecules in your immune system, in your gut and in your heart. So when you say, 'I have a gut feeling' or 'my heart is sad' or 'I am bursting with joy,' you're not speaking metaphorically. You're speaking literally.
Our minds influence the key activity of the brain, which then influences everything; perception, cognition, thoughts and feelings, personal relationships; they're all a projection of you.
Self-awareness is value-free. It isn't scary. It doesn't imply that you will subject yourself to needless pain.