english: So the different tricks that Matthieu and I and others know about increasing the amount of positive emotion in your life are 15 to 20 percent tricks, getting more of it.
non_english: Tako da različiti trikovi koje Metju [Ričard], ja i ostali znamo o povećanju pozitivnih emocija u vašem životu uzimaju samo 15 do 20 procenata udela.