This exactly. At the broadest range you can say there are certain qualities that are more prevalent in one age group compared to another age group, but at the individual person level those trends are meaningless. Any individual person can be conservative or liberal, be caring or selfish, be x or y.
Is there a reason why you can’t get an air conditioner? There’s tons of valid reasons why it wouldn’t be an option, I’m just wondering what your situation is. Because nothing is ever gonna work anywhere close to as good as an air conditioner. If you can afford even the smallest air conditioner then it’ll beat every single diy method in most situations