Short Answer 
Montague’s central question reflects his sorrow and burdens as he ages, particularly stemming from the loss of his wife due to grief over their son’s exile. This inquiry highlights universal themes of loss and grief, emphasizing how these experiences shape one’s perspective on aging and the fragility of happiness.
Step 1: Identify the Question
In the context of the story, the central question posed by Montague is, “What other pain must I suffer through as I get older?” This reflects his profound sorrow and the burdens he bears, particularly in his old age. Understanding this question helps frame the emotional weight of his character’s late-life struggles.
Step 2: Understand the Emotional Context
Montague is grappling with the deep loss of his wife, who succumbed to her grief over their son’s exile. This event in Act V, scene iii, highlights how intertwined their lives are with tragedy. Therefore, recognizing his wife’s death is crucial as it amplifies the sense of despair that leads Montague to question his future pains.
Step 3: Reflect on Loss and Grief
Montague’s inquiry into future suffering encapsulates the universal themes of loss and grief. As he reflects on his life experiences, we learn about the fragile nature of happiness and the continual shadow of sorrow that can accompany aging. Ultimately, this moment invites readers to consider how grief shapes one’s perspective on aging and loss.