"Happier Than Ever" is a song by Billie Eilish that talks about the complex emotions and experiences she had in a past relationship. The lyrics suggest that when she is away from her partner, she feels happier. She wishes she could explain this feeling better and expresses a desire for it not to be true. The song addresses the conflicting emotions she feels towards her partner. She asks for some time to think of something clever and write herself a letter, possibly to give herself advice on how to handle the situation. Eilish wonders if her partner pays attention to her interviews or skips over them. She questions if she was even a priority or if her partner simply passed through her life. Eilish had asked her partner to be understanding and cool about what she was telling them, but she expected them to do the opposite. This led her to become more afraid and unsure. She emphasizes that the situation isn't fair, as her partner's actions made her miserable. In the second verse, Eilish sings about her partner calling her while drunk and driving under the influence. Although this scares her, she feels like her words are wasted because her partner only listens to their friends. She states that she doesn't relate to her partner anymore, and that they have treated her poorly, making her hate the city they are in. Eilish clarifies that she never talks negatively about her partner on the internet because it would be embarrassing. She admits that her partner was once everything to her, but their actions only made her sad. She asks her partner not to waste her time and not to make her feel bad. The song touches on the times when her partner failed to show up on time and neglected her relationships with her mother and friends. Eilish explains that she shut everyone out for her partner because she was young and influenced. She accuses her partner of ruining everything good and claims that they often portrayed themselves as misunderstood. She concludes the song by pleading for them to leave her alone. Overall, "Happier Than Ever" encapsulates the complicated emotions and experiences that Billie Eilish went through in a toxic relationship, highlighting feelings of sorrow, frustration, and the desire for freedom.