Why did men have long hair in the 1970s, that became shorter later

What happened in the late 1970′s when long hair on men become shorter each succeeding year? Why didn't long hair styles on men last longer? - Quora

What was men's fashion/hair in the 70s? - Quora

Who created the rule of men getting haircut and women growing long hair? Who was the first man to get a haircut - Quora

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Why did men start keeping their hair short in the modern age? - Quora

Were young boys or men allowed to have long hair in the 60s or 70s in the US and Western European countries? - Quora

In the 1970s, we were returning back to men having long hair again from the George Washington era. Why didn't it catch on? - Quora

Why did men start keeping their hair short in the modern age? - Quora

Are long haired men a common thing in your country? And how is it socially accepted? - Quora

Why was long hair a popular look for boys in the 70s? - Quora

Why was long hair a popular look for boys in the 70s? - Quora