The song "Someday After A While (You'll Be Sorry)" by John Mayall & The Bluesbreakers is a classic blues track that expresses the emotions of heartbreak and pain that come after a relationship ends. The lyrics reflect the singer's sense of loss and sadness as he reflects on the fact that his former partner will eventually regret leaving him. Despite the troubles and challenges he faces, the singer remains strong and resilient. He does not seek sympathy from others, instead choosing to cope with his feelings on his own. While he may be feeling blue now, he knows that time will heal his wounds and that his ex-partner will eventually come to regret leaving him. Overall, "Someday After A While (You'll Be Sorry)" is a powerful expression of the complex emotions that come with relationships, and a testament to the strength and resilience of the human spirit.