Forty is a time contradiction and complexity, a.k.a. horrifying reality and inner turmoil. It's realizing that these are the days of questioning every decision, wondering about regrets, and realizing that life is short, and getting shorter every freaking day. It's when the terrifying reality sets in that yeah, THIS is life!
https://www.huffpost.com/entry/the-ugly-truth-about-being-40_b_7907616
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