what does ponyboy mean when he says,"Johnny and i understand each other without saying anything"? Have you ever had a relationship with someone who you understood, or who understood you without having to say anything?

Both Johnny and Pony are kindered spirits. They are on the same wavelength. Both are sensitive boys who enjoy movies and books. They know each other so well they don't always need to speek to communicate.

I have known people like this but not too many. They come into your life once in a blue moon. It is a very nice feeling.