If you didn't know the sinister meaning behind "This Little Piggy's" trip to the market, you are not alone.
People are sharing the facts that they only recently learned that in retrospect, seem extremely, very obvious. It's possible to go through life without knowing the strategy behind the aesthetics of raincoats, but you'll be better with this knowledge.
These are the things that made people say, "I was today years old when I learned this."
I was playing Monopoly, and someone owned a load of properties all clustered together. I said “you’ve got a bit of a monopoly on that part of the board. Hey that’s funny, because we’re playing Monopoly, and you got a... oh I see now.”