David Mc Candless did a study on the most common break up points in the year.
Though the book is traditionally ascribed to Daniel himself, modern scholarly consensus considers it pseudonymous, the stories of the first half legendary in origin, and the visions of the second the product of anonymous authors in the Maccabean period (2nd century BC).
Sad to say, it is also a day when lovers say hello to tears, slammed doors and broken hearts.
It is a day when people take stock of their love lives and decide to either make out or break up and move out.
However, the most reasonable proposal is that put forward by John J.
Collins: the language division and concentric structure of chapters 2-6 are artificial literary devices designed to bind the two halves of the book together.