This is a linkpost for http://squirrelinhell.blogspot.com/2017/12/happiness-is-chore.html
OTOH, joy is very different. It kind of just happens, unasked-for.
This is the happiness we are really searching for. The other kind is better described as pleasure.
Well, in my life I can recall two instances off-hand. There have probably been more of them, but at the very least, they seem to be completely unrelated to attempts to raise well-being levels...