>>21898341OP
humans evolved this crazy thing called melanin, and when your skin, yes yours! is exposed to sunlight for long periods of time, your skin produces a lot of this "melanin" in order to protect itself from the sun's harmful rays.
Water increases the damage sun can cause, people who spend large quantities of time near water during the day will produce more melanin and therefore make their skin a darker tone than the standard basement dwelling homosapian
