How do toxic relationships work in "Malcolm and Marie"?

Description:

In the film we can see only two characters - the director and his girlfriend. They return home after the premiere, but very quickly start arguing. This is how all the hidden images, old stories, sprinkled with passive aggression, are mentioned. So how do toxic relationships work in "Malcolm and Marie", and what is the background to this movie? #MalcolmAndMarie #Netflix #Zendaya #JohnDavidWashington #SamLevinson