How are you?
Good. How are you?
The two will then walk away and move on with their lives. I've always hated this shallow but typical American formality. As an immigrant kid, I would just shrug and say "okay", and not ask the question back. I would rather tell someone how I really am, and visa versa. But then that would be awkward to attempt since most of these interactions are with mere acquaintances. I have finally grown to accept it and join in with society.