A kind reader let me know that Part I was stirring up discussion in a psychotherapy chat forum under the heading: "Quick - what color eyes does your T[herapist] have?" A clever participant, apparently ...

When you want to be happier, dopamine is where it’s at. There’s the "dopamine dressing" trend, where you wear funky patterns to boost your mood, "dopamine decor" where you splash your house with color ...