It seems to me that it would be better to change the above to
The (regular) practice of group joy
I think this is a much better goal. And I also know it’s possible. Three activities spring to mind:
What are some of your ideas to reach this goal?
The pursuit of (individual) happiness…
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Eating. Definitely eating.
Sharing a meal with another person (the more the better) is a great way to improve general happiness.
Singing too!