The song "If You" by Ailee explores the emotions and uncertainties that arise in a relationship. The lyrics depict the singer's constant thoughts about her significant other throughout her workday. The presence of this person in her life is compared to the air she breathes, making her feel breathless, yet they disappear without a trace. The hook poses questions about the depth of their love and the consequences of not giving their all. The singer wonders if things would have been different if she had not held back and left half of her love unexpressed. She questions whether her significant other would have remained by her side and if their love would have endured. Overall, "If You" delves into the struggles of fear, hesitation, and the longing for a love that may have been hindered by emotional barriers. It explores the regrets and questions that arise when love is not fully expressed, highlighting the desire for a second chance and the realization that certain love experiences are irreplaceable.
—SongTell