If you stop to think, you can notice the countless personalities you can acquire in a single day. At certain times, you can be polite, have an uncontrolled tantrum, or become rather evasive at times.
Each of these features varies depending on the environment and situations. Good or bad thoughts come virtually out of control.
Despite all these variations, we managed to keep everything inside. We are what we remember about ourselves. However, not everyone can control or memorize their own actions.
With that in mind, Indian director, screenwriter and producer M. Night Shyamalan made Split. The film follows the life of Kevin (James McAvoy), a disturbed man with 23 personalities, diagnosed with Dissociative Identity Disorder (DID).
Kevin (James McAvoy) on the scene Image Source
To portray the disease, the film brings some aspects of the disease's symptom. Everything is explored with a lot of poetic freedom, not least because the focus is divided to explore the protagonist's dangerous actions.
The backdrop is the kidnapping of three teenagers. From the incident, some of Kevin's dangerous versions are evident in the plot. The rotation of personalities is accompanied and justified by her psychologist, one of the pieces of this puzzle.
One of the curiosities is the fact that some personalities acquire specific physical conditions, among other peculiarities. For example, one may have diabetes and one may not.
Person can fragment their memory box into several Image source
One such case is an actual record from the 18th century, at the beginning of the French Revolution. At the time, a 20-year-old German woman began to speak French fluently, while imitating the German accent, when she changed personality she couldn't remember anything.
Certainly, the suspense extrapolates all the real possibilities of the illness. Despite the exaggeration, everything happens as expected for a fiction. The viewer manages to stay alert and curious from beginning to end. Some characters may generate antipathy, as expected.