The context of the following conversation is Robin was concerned their Kai was smoking drugs so when Kai left for school Robin entered Kai's room to search for evidence.:
Kai says I can't believe Robin searched my room without permission!.
The friend responds That's unacceptable not to mention illegal..
Kai responds Robin has been accusing me of smoking drugs ever since we became roommates..
The friend responds He seems quite paranoid. You should tell your landlord..
Kai responds I will, first thing tomorrow morning..
The friend responds Robin needs to know that this is not ok to violate privacy..