I wanted to kick his running shoes . But then someone got off at Journal Square , and I sat next to him . He smelt like milk . The best way to explain it is -- you know when you feed babies , and they get formula on them ?

Question: Why does the narrator want to destroy the subject 's running shoes .
Answer: The subject 's shoes are stolen from a store .The subject 's shoes are stolen from the narrator .The subject 's shoes are awful in their smell .The subject 's shoes are pristine and the narrator is jealous .