Neonetical Moon

A man-made light in the dark (methaporically) in which the dark is for example depression or just a sad period of time. You could be someone's neonetical moon, like how an artist can be one for you. An object could also be someone's neonetical moon, for example a stuffed animal.

Person A: "I feel so sad today."

Person B: "Don't worry, I'll be your Neonetical Moon."