"I Know You Won't" by Carrie Underwood is a heartfelt song about a one-sided relationship where the protagonist feels neglected and unimportant. The song explores the frustration and disappointment that come from being repeatedly let down by someone they care about. In the lyrics, the protagonist acknowledges that the other person may not intentionally mean to be mean or neglectful. They are aware that this person has the ability to make them feel loved and included when they want to. However, lately, they have been made to feel like a backup plan, as if their feelings and needs are not a priority. Despite promising to change or do better, the other person doesn't follow through with their actions. The protagonist finds it hard to resist the lingering hope and belief that things will improve, even though they know deep down that these promises are empty. They constantly find themselves buying into the other person's words and lies. The chorus reflects the protagonist's awareness of the other person's patterns. They know that when the person says they will call or come home, it is unlikely to happen. The repeated use of "You say you'll call, but I know you won't" emphasizes the protagonist's recognition of the other person's unreliability. The protagonist longs for the other person to be present and close, but they find themselves alone, without any indication of their return. The absence of their footsteps and voice further emphasizes their emotional distance. Overall, "I Know You Won't" captures the feelings of frustration, disappointment, and longing that arise from a one-sided relationship where one person repeatedly fails to fulfill their promises and neglects the emotional needs of their partner. The song portrays the protagonist's struggle to accept the reality of the situation while still holding on to hope.