"By Now" is a heartfelt R&B song by Eric Bellinger that explores the struggles and regrets in a relationship. The lyrics depict a situation where the narrator has been constantly on the road, hustling and working hard. They acknowledge that their absence has caused strain in their relationship, and they long for the simplicity and closeness they once shared. The song suggests that the love between the narrator and their partner is a strong habit, something they can't shake off despite their circumstances. They admit to making mistakes and understanding why their partner left, but they still hope for reconciliation. The lyrics also touch upon the narrator's past, mentioning their involvement in illegal activities ("trapping") and hiding drugs in a mattress. However, they assure their partner that they have changed and that they want to go back to the loving and committed relationship they had before. The chorus emphasizes that their partner should know all these feelings and regrets already, as the narrator believes they have made their emotions clear. They ask for understanding and forgiveness, highlighting their willingness to make amends and put in effort to show their love. Towards the end of the song, the lyrics abruptly shift to a conversation between the narrator and their partner. They mention providing financial support and express their desire to understand what more they can do to make their partner happy. The song ends with a plea for their partner to communicate their needs, as the narrator is ready to give everything they can to make the relationship work. Overall, "By Now" explores themes of longing, regret, and the importance of communication and understanding in a relationship. It showcases the narrator's desire to rekindle their love and make amends for their past mistakes.