First Road Sign.

It's the secret of how to start a novel, and how to continue it, and how to share it.
It's the solution to world hunger and also my hunger.
It's what you possess when you have something and want nothing else.
Those types of people radiate it, so I understand.
It's in the west or the east depending on who you are.
It's on the wings of Sputnik.
It's a sequence of colours if you want it to be. I don't, though.
It's long and involved.
More often than not, it's in 4/4, which is slightly saddening.
It's your relationship, but different, and you know it.
It's under a blanket.
It's in the dictionary, and it is the dictionary.
It's agreeing with you. You're yourself. It's also chiding for that reason.
It's the sun, but only on earth.