RT @DegenRolf: All measures of unhappiness and discontent peak in midlife and lighten up in old age. https://www.sciencedirect.com/science/article/pii/S0167268120301414#sec0019 https://t.co/l…
Source date (UTC): 2020-05-08 12:51:19 UTC
Original post: https://twitter.com/i/web/status/1258741268995280897
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