Of course, he is a writer, completely 迷失 his mind, has stalking mania, paranoia and dissociative identity disorder (probably even schizophrenia). Others should rather worry about him. (Sorry if I told any spoilers, the movie is called "Secret Window")
Yep, of course feel sorry for the ones he killed, but he didn't really acknowledge what he was doing, he really needed some help (spoilers, spoilers and spoilers LOL)
