Every time I read about these mind hacks that are supposed to transform your life and attitude, I'm reminded of the Novelty effect:
https://en.wikipedia.org/wiki/Novelty_effect
It's the best thing ever, until you get used to it, than it becomes the same old. Sometimes I think the human race is completely ruled by this effect, ever chasing the next new thing as it seems so much better than the boring old thing.