The expression "Love to the extreme is sin" expresses that when love reaches the extreme, it may cause some negative consequences, similar to a kind of emotional loss of control. People in this state of control may Doing something you would not normally do, i.e. committing a mistake or crime. This sentence comes from the book "The Ten Deadly Sins", which uses an exaggerated method to describe the extreme consequences that extreme love may bring. "Ten Sins - China's Ten Most Horrifying Murders" is a book published by Hunan Literature and Art Publishing House in 2010. The author is Spider. "Ten Crimes: China's Top Ten Terrorist Homicide Cases" is compiled based on police reports that have been disclosed by criminal investigation departments in many places. The names of the people involved are pseudonyms. This book introduces ten horrific murders that happened all around us, each of which has been tightly blocked by the media.