If you are moonstruck you are thought to be insane and affected by phases of the moon. That is where the word lunitic comes from. There is a chocolate company named the Moonstruck Chocolate Company. There is also a movie dating from the 1980s called "Moonstruck." There is also a Moonstruck Restaurant. There is also a Moon Struck store in Kentucky that caterers to the evil wiccan devil worshipping people. There are a lot of businesses named Moonstruck.
Lunacy and insanity comes from the Latin word for moon. "The Lunar Effect" describes the influence of the moon on people's behavior.
From the American Heritage Dictionary: Moonstruck, or Moonstricken:
1.Dazed or distracted with romantic sentiment.
2.Affected by insanity; crazed.
[From the belief that the moon caused insanity.]
Does moonstruck have something to do with love and romance? Also is moonstruck something like love struck? What does it mean to be lovestuck?