Our brain is not designed to create happiness, as much as we wish it were so. Our brain evolved to promote survival. It saves the happy chemicals (dopamine, serotonin and oxytocin) for opportunities to meet a survival need, and only releases them in short spurts which are quickly metabolized. This motivates us to keep taking steps that stimulate our happy chemicals. You can end up with a lot of unhappy chemicals in your quest to stimulate the happy ones, especially near the end of a stressful workday……..