The meaning of "Cultivating Joy" is that a happy and joyful life is cultivated. It doesn't just happen. It comes with intentionality and effort. Here is a great article with two short videos on using intentionality to cultivate a happier brain and/or mind.
Attention: A Muscle to Strengthen
A doctor's recommendations for mental health evoke more philosophy than biology.
by: JAMES HAMBLIN JAN 22, 2015