Why do some men take so long to shower?

Back when I lived in NYC and was broke I had some male roommates with short hair or bald that would take 30-45 minute showers. I'm usually done in 5. Sometimes I thought maybe they were wacking off, but then sometimes the music would not indicate that. Women shave, have long hair, but what the fuck do men shower so long for?

Why do some men take so long to shower?
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