It's bad to steal from stores.
Marcus is down on his luck and sees a pair of shoes the the store that he really wants but cannot afford.
Marcus wants a new pair of shoes.
Marcus borrows some money from his parents to buy the shoes before returning to the store to buy them.
Marcus decides to swap the shoes he wants for the ones he's wearing, and rips the tags off and walks out with them.
Marcus enjoys wearing the new pair of shoes and his mood improves.
Marcus is caught on CCTV committing the act and the police later arrest him.