I just wanted to add to the above that I do not think of “frugality” as some kind of idealistic virtue-discipline (ala, say, the Stoics) – but just as the simple practical virtue of “living well within your means” – where the double entendre with that word “well” is deliberate. And living well just means living as pleasurable, painlessly and stresslessly as possible.
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I’ve always been a natural introvert and even a bit reclusive at times (well, maybe more than a bit ). A few close friends matter a lot, but I would have a hard time living in a close community – even of like-minded folks. This is my Epicurean community.