Paul McCartney reveals how he stops life turning 'sour' Sir Paul McCartney opens up on how he avoids getting "depressed". 12 May 2026 Sir Paul McCartney is determined to never let his life turn "sour". Sir Paul McCartney opens up on avoiding feeling 'sour' The 83-year-old Beatles legend has reflected on the song Life Can Be Hard, which is taken from his new album The Boys of Dungeon Lane, and was written in the wake of the COVID-19 pandemic, and the finding out how to fall back in love with the world.