The quote expresses the deep but ultimately unfulfilled bond the speaker feels with their brother. It illustrates a sense of love that is intertwined with disappointment, highlighting the impossibility of reliance on someone who is emotionally elusive. The comparison of trusting their brother to grasping at air emphasizes a feeling of helplessness and a longing for a connection that cannot be solidly attained.

This sentiment reflects the complexities of familial relationships, where love does not always equate to support or stability. The quote encapsulates the emotional struggle of wanting closeness while facing the reality that some loved ones may be unable to provide the comfort and dependability one hopes for. It portrays a nuanced understanding of love, blending affection with a profound sense of loss and frustration.