There has to be a happiness component also for how much our lifestyle comes at cost of lifestyle or even freedom of others.
In my own country, UK, we know that berry fruits are needed to maintain a healthy diet, given food which doesn't contain much antioxidants by itself.
In UK winter these fruits come from places not experiencing winter, because they don't grow here in Winter. So we read on the packages they come from all over the world, and they are such things that can't be frozen - freezing turns them to mush and removes most of the antioxidants.
So they have to be flown, to get to us still reasonably fresh, after being picked by folk for pennies, being tempted to give away all their fruit to outside parties offering relatively high value currency, rather than just eating them themselves.
The same folk have little to no chance of ever accompanying the fruit, to fly to the countries demanding the fruit, to experience that much "higher" standard of living in the "more developed" country.
The same folk feel obliged to work in hospitality establishments tending to the every need of holidaymakers from the more developed country to theirs, on those occasions we might feel like going there on vacation, to maybe see where the fruit came from.
Our happiness obviously comes at cost of theirs. This is colonialism, still alive and kicking, but we never analyse what underlines it, energy.
Specifically the energy in money.
And how this works always at profit, which is actually an energy lie that robs the planet of vital energy, pushing up entropy, which we then disguise, virtue signalling via science for profit, as occurring because of a CO2 blanket, which actually can't exist, because the atmosphere is adiabatic, the temperature measurements are actually direct measurements of entropy, which is destruction.
We might not think of all this explicitly, but we feel it through nature, witnessing the atrocities committed against those beautiful folk in those other countries by both nature and humans, as a result of what the system of colonialism has done to them historically, robbed all their energy as wealth.
This doesn't make us happy, knowing that, even if it's only deep down, it makes us pretty sad I think.
And look, what choice do we have? We don't have a choice but to obtain the fruit from our local shops, packed in plastic as always, all for reasons of economic efficiency, all to maximise profit, we have to eat the fruit to have the vitamins from it in order that we get the vitamins necessary for us to stay healthy, when everything else in our diet is lacking the same antioxidants.
Not having this choice, realising we are part of a system of energy slavery destroying the planet and all the beautiful people and creatures on it surely doesn't make us very happy, not really.
I write how we can change that, after about 7 years spent researching it at own cost since PhD as already a long practicing Systems Engineer but the system does not propagate it to anyone that might appreciate it (mire than 400 stories now), by contributing to funding more of it, now my funds are exhausted, because the system itself is the live beast that drives us to do what we do, mostly without thinking about it, other than as I might try to highlight to folk such as yourself by replying to posts like yours, more than 10,000 replies to date, and I just see less and less interaction over time, not more, despite now 2000 odd followers, those after at least one major cull by the system, I see less and less readership of my stories, yet we are talking about something existential. It isn't people who are unintersted, it's the system that doesn't show it to them, because... it just isn't profitable.
Thanks for the hook, apologies if what it caught spoils anything.