"Devil By His Side" is a song by Jerry Cantrell, released on his 2002 album "Degradation Trip." The song is about a protagonist who is trying to clear his head and overcome his demons, as he runs down an old, elusive high. Throughout the song, the protagonist reflects on his past and questions if he lost a friend due to his mistakes. He asks for their trust "one more time" and tries to shake the devil from his side, as he feels constantly watched and taunted. The lyrics suggest that the protagonist is driving on a deserted road, with only his thoughts and the wind upon his face. He is close to reaching his destination and finds some relief in the laughter of coming home. Overall, "Devil By His Side" portrays the struggles of letting go of past mistakes, trying to regain lost trust, and overcoming internal battles.