You hear 'dopamine' in every headline, get told cortisol is ruining your life, and quietly wonder if anyone actually knows what these molecules do. You want the real science, told by someone who can explain it without a lecture hall or a supplement pitch.
Press play and you get seven commute-sized chapters, one per molecule, each built on a single vivid analogy you will never unlearn. Dopamine turns out to be your brain's wanting compass, not its pleasure button. Oxytocin is the handshake chemical with a darker tribal side. Cortisol is a morning alarm clock that only becomes a villain when nobody switches it off. Adrenaline, serotonin, endorphins and melatonin each get their own wow moment, the kind you repeat at dinner.
By the last chapter, the headlines make sense, your own moods make more sense, and brain chemistry feels like a story you can follow. Start with dopamine on your next commute.