You are both part *boy* and part *girl*.
Boy/Girl | Men/Women | Puberty/Being Grown Up) | Testosterone/Estrogen quickie:
Zinc helps the body make Testosterone.
Copper helps the body make Estrogen.
Eat More zinc, you get more symptoms of manhood..
Eat More Copper, you get more symptoms of womanhood.
Too much of either? You get unwanted side effects.
They are also the ingredients for making a battery.