At the top of the editor, next to the red “x” to exit out of the editor, there are 3 lines on top of each other, that’s a dropdown menu if you click on it. Then you’ll find “restart game” and a switch to enable and disable “fullscreen mode”.
I know the base of the story I want to tell, and the way characters talk and act. So I spontaneously make up dialogue however I see fit depending on the character/situation.