[HIGHLIGHTS] The Spanish philosopher who fills stadiums and now fights against a lethal cancer: "I have learned not to lick my wounds"

David Pastor Vico is one of the most famous thinkers in Latin America. He emigrated a decade ago from Seville to make a living in Mexico.

He is being treated for his skin cancer in Spain by an almost cosmic coincidence. "It's much better for your health to meet your friends in the bar than to go jogging alone," says Oxford professor Robin Dunbar. "We do not know how to predict what makes us feel good," says world's leading expert on happiness, Robert Waldinger.