The stress doesn't stop there. The country's notorious work culture ensures most people put in long hours at the office, governed by strict hierarchical rules. Overwork is not uncommon and the last trains home on weekdays around midnight are filled with people in suits. How do they manage?

The secret may have to do with what Japanese call ikigai . There is no direct English translation, but it's a term that embodies the idea of happiness in living. Essentially, ikigai is the reason why you get up in the morning.