How old were you when you figured out which public bathroom to use?

I think I figured it out when I was about five years old. I just looked for the dress siloette, and went in the other room. Simple. I believe that Charlie's killer killed him for saying what we all know to be true. Charlie just thought that the common sense majority should rule humanity and not the tiny minority of bullies that demand that you bow to them. Who likes bullies?

So they couldn't begin to beat him in the arena of thought, so the haters chose to kill him.
How old were you when you figured out which public bathroom to use?
How old were you when you figured out which public bathroom to use?
How old were you when you figured out which public bathroom to use?
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