So our thought process was that the sanity was the thing that was 'decaying' with improper choices. We wanted to add a spookier backgrounds after a certain threshold, but we ran out of time to draw them. :((
Side note: this is our first ever game jam and our first game and i want to thank you for hosting and giving us the inspiration to make this game. Me and my sister are soap makers by trade and you opened up a whole new world for us.