At the beginning of the story harry felt scared because he wanted to go back on the rocket and wanted to go back to earth. When he saw the garden he started to rip to the garden. When he saw his reflection he broke the merrier because his eyes started to change.
In the middle of the story Harry was adapting to Mars. he first started to speak Marion. His kid wanted to change his name and Harry said "yes you can". He had to start eating food out of the garden that was grown at Mars.
At the end of the story Harry was more adapted because as the hours passed the rocket seemed not important. He didn't go back for his encyclopedia. Harry said they are not going back