At Lewis Hospital, Country B
After 'examining' Cain, Dr. Calvin informed Kimmy, Leila, and Daniel about his diagnosis. He confirmed it as selective amnesia. He explained that during the accident, Cain bumped his head in the windshield.
Dr. Calvin felt guilty as he couldn't look straight to Kimmy. In his mind, he blamed Cain for acting childishly and faking his amnesia. This was not a good prank.
So to comfort Kimmy a little, he just emphasized that his amnesia might only be temporary. Cain rested the whole day and his father stayed with him, including Kimmy and her mother
Since Cain was no longer in danger, Kimmy requested her mother to just go home together with Daniel after they all finished eating dinner inside Cain's room. She will be the one to take care of Cain.