Matthieu Ricard’s message in this video is: «Happiness can be trained». And he has written a book about «Happiness»: https://www.amazon.de/s?k=happiness+matthieu&adgrpid=65623091974&hvadid=332627262849&hvdev=c&hvlocphy=9188191&hvnetw=g&hvqmt=e&hvrand=11067578121640786152&hvtargid=kwd-299602252000&hydadcr=14713_1801937&tag=hydrach-21&ref=pd_sl_98xkuvypug_e Peter Gamma from www.petergamma.org has not read the book «Altered Traits» yet, but has not yet found an answer to many of these questions.