Learning to play a musical instrument is hard. So is trying to run a marathon, writing a term paper, and caring for a sick child. These things involve frustration, pain, and disappointment — yet we do them anyway. This week, in part two of our look at the allure of suffering, psychologist Michael Inzlicht explains what we get from doing things that are difficult, and why the things we think will make us happy often do not.

Hidden Brain is hitting the road this summer! Join Shankar in a city near you as he shares key insights from the first decade of the show. For more info, and to purchase tickets, go to hiddenbrain.org/tour.