I'm a bit of a psychology nerd, so I decided to give this a shot. A bit campy and cheesy, yes. But surprisingly a great take on the psychological theories of 'Internal Family Systems' and 'Personality Fragmentation' using the RomCom format, and terms the average person recognizes like multiple personalities, even though its existence is hotly debated.
Found it to be a welcome break from all the horror and thriller movies constantly villanizing people with mental illness. Highly recommend the book 'No Bad Parts by Dr. Richard C. Schwartz' to anyone who enjoyed this.
If they actually do the sequel, I really hope they introduce an IFS therapist character, instead of the hypnotherapist guy, and really explore all the different personality fragments, and get to the source of the trauma, which led to her fragmentation. Would be fun to really see her get better and become a more functional and integrated person.