His love for his teacher believing her as a God was odd until we saw the flashback of when she instilled that optimistic mindset to him with her self-claim of being God in her norm when he revealed his often mocked dream of being an Astronaut, be the first Japanese to go to the moon and meet his father who died before he could go to the Moon as an astronaut.
The terrorist was odd but most are odd deranged people anyways whether they're victims in some form or another, unless they're complete psycopaths.