15 "Normal" Things That Are Totally Weird When You Think About Them

3. Milk

When we drink milk, we're actually drinking the liquid from the mammary glands of another species: a cow or goat has lactated for the sole survival purpose of rearing their young... and then we steal it and put it in our coffee. That's just, odd, right? Not to mention the old age question... what ever were they doing with that cow?