The condition of all who are preoccupied is wretched, but most wretched is the condition of those who labour at preoccupations that are not even their own, who regulate their sleep by that of another, their walk by the pace of another, who are under orders in case of the freest things in the world—loving and hating. If these wish to know how short their life is, let them reflect how small a part of it is their own.
…It’s not that we have a short time to live, but that we waste a lot of it.
-Lucius Annaeus Seneca
Considering that living at other’s regulations is likely learned, it should be no wonder than most are so occupied. We spend the first 20 years of life wholly regulated by others…and then are expected to be self-sufficient and independent.