Instead of permitting such a painful occurrence fall upon his friend, George is influenced by Candy saying: “I oughtta of shot that dog myself George. I shouldn’t oughtta of let no stranger shoot my dog” (71). George then understood that Lennie was his responsibility and when the time came, he shot Lennie after making him rapt with the daydream of their own farm. George may have doubted what he’d done was right but Slim reinforced that it was necessary when he said: "You hadda, George. I swear you hadda” (107). In the end, the George kept to his responsibility for his mentally ill