The dates featured in the film had real life origins that plagued the writer in real life and so became the source materiel.
The film began as a web series which was later re edited and along with additional shot footage converted into a feature film format which offers a whole spin on the story and allowed a new audience to find it.
In the opening "Break Up" scene Josh destroys a table in real life the weight that was used to break the table ending up breaking a a radiator valve and depressurized the house that was being film in, much to annoyance of the owner.