This is definitely worth reading: Rob McGinley Myers on placebophilia. He takes his erstwhile obsession with audio equipment as an example - one in which he eventually concludes that "he was listening to his equipment rather than music."

It's easy to sneer at the placebo effect, or to feel ashamed of it when you're its victim. And that's precisely why I found Felix Salmon's piece revelatory, because instead of sneering at the placebo effect of fancy wine, its marketing, and its slightly higher prices, he thinks we should take advantage of it. If the placebo effect makes us happy, why not take advantage of that happiness? The more you spend on a wine, the more you like it. It really doesn’t matter what the wine is at all. But when you’re primed to taste a wine which you know a bit about, including the fact that you spent a significant amount of money on, then you’ll find things in that bottle which you love ... After all, what you see on the label, including what you see on the price tag, is important information which can tell you a lot about what you’re drinking. And the key to any kind of connoisseurship is informed appreciation of something beautiful.
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Maybe each of these activities (listening to high end audio gear, drinking high end wine, having needles inserted into your chakras) is really about ritualizing a sensory experience. By putting on headphones you know are high quality, or drinking expensive wine, or entering the chiropractor's office, you are telling yourself, "I am going to focus on this moment. I am going to savor this." It's the act of savoring, rather than the savoring tool, that results in both happiness and a longer life.