non of you understood the ending
there isnt earth 2.
she sees herself . But, as stated before by the strange man's monologue , there is nothing to say. People talk with themselves all the time. The thought that there is something else that can help you, is nothing but a vain hope . It's all in the mind.
What John did was to commit suicide, hoping he would meet his wife and daughter in the afterlife. What is not going to happen because there is no life after death. The whole story is a metaphor for God and religion.