The song "Don't Wait Til Tomorrow" by Gary Clark, Jr. expresses a feeling of exhaustion and frustration in a romantic relationship. The narrator admits to being tired of fighting and being wrong, and they hate to see their partner crying. They acknowledge their mistakes and express a desire to make things right and focus on their relationship again. The lyrics also touch on the presence of another woman in the narrator's life, whom they claim is just a friend. They promise to make their partner forget about this other person and recommit to their relationship. The narrator emphasizes the connection and chemistry they share, describing it as a "light between us" that keeps them up at night, unable to stop thinking about it. The song suggests that the narrator has been hiding things from their partner and acknowledges that their partner is tired of sleeping alone. They mention that they always claim to be working hard to justify not coming home. However, they express a desire to change this behavior and prioritize their relationship. The repeated refrain of "I can't wait" reflects the narrator's urgency to make things right and not delay their efforts to mend the relationship. It signifies a willingness to confront the issues head-on and avoid further delay or waiting. In the end, the lyrics express the narrator's deep regret for causing pain to their partner and their determination to fix their mistakes. The plea to "forget all about me" implies a desire for forgiveness and a fresh start.