According to Cosmopolitan, the shag haircut of the 1970s has become all the rage in 2026. That makes me grumpy because I’m still upset about the David Cassidy shag haircut my sisters made me get in 1973, when I was 11. “Make me look like David Cassidy,” I said to the bun-haired lady, a smoldering Marlboro cigarette dangling from her bright red lips. Do you mean something as simple as getting a 2026 version of the shag haircut could loosen up rigid mental processes and perceptions—and maybe even soften how we relate to people with whom we vehemently disagree? Addams Family DisasterWhich brings us back to my David Cassidy haircut.