Hux is his therapist. Finn betrayed him by talking to Han and Leia about Kylo's personal issues, getting him institutionalized. He's deeply jealous of Poe and Rey and their close relationship to his parents (which is why, in his head, he's trying to ~get into their mind~).
Mental Institution!AU: Everything's in Kylo's head
Kylo - ego
Ben - super-ego
Hux is his therapist. Finn betrayed him by talking to Han and Leia about Kylo's personal issues, getting him institutionalized. He's deeply jealous of Poe and Rey and their close relationship to his parents (which is why, in his head, he's trying to ~get into their mind~).