The quote reflects the protagonist's introspection regarding the significance of his life. He questions whether his existence holds any value, feeling that his work is unremarkable and could have been accomplished by anyone. Despite this self-doubt, he recognizes the profound meaning of his relationship with his wife, which he sees as the true essence of his life. This marital bond provides him with a sense of fulfillment that transcends conventional achievements.
Ultimately, he finds pride in the love he shares with his wife, considering it not only an essential part of his identity but also something eternal. This connection becomes the focal point of his existence, emphasizing that for him, love is the ultimate accomplishment. In the end, acknowledging this emotional bond brings him a sense of pride and purpose, overshadowing any career-related aspirations he might have had.