The speaker expresses a deep sense of longing for both his wife and the emotional security that comes with their companionship. He reflects on how her absence has left a void, emphasizing not just the loss of his partner but also the overarching feeling of belonging that their relationship provided. This sense of comfort and togetherness is fundamental to his well-being.

In the context of the novel "Old Man's War" by John Scalzi, this sentiment highlights the importance of emotional connections in our lives. The speaker’s reminiscence reveals how significant a partner can be in creating a stable and reassuring environment, which makes their absence all the more poignant. This longing underscores a universal theme of love, loss, and the search for solace.