Yes, it can be considered a horror movie in a sense. The true story it's based on is quite horrifying, and the movie likely uses elements like suspense, disturbing visuals, and dark themes to create a sense of horror.
It's a movie based on a disturbing true story. It likely involves themes of abnormal relationships and extreme human behavior. But it's a rather dark and controversial topic.
The Brothers Grimm stories aren't true. They are a collection of imaginative tales that often contain magical and fantastical elements that couldn't happen in real life.
Sometimes love in stories is based on real events, but often it's a creation of the author's imagination to evoke certain emotions and themes. So, it really depends on the specific story you're referring to.
It's hard to tell. Love can be depicted in various ways in stories. Some might draw from real-life romances, while others are crafted solely for entertainment and may have no basis in reality.