The quote reflects the deep despair and longing for connection experienced by the character. He believes that true happiness is unattainable unless he is with someone who shares and understands the melancholy that weighs heavily on his heart. This highlights the theme of isolation and the need for companionship in times of sorrow.

In "The Castle of Otranto," author Horace Walpole illustrates the notion that emotional suffering can only be alleviated through shared experiences. The character's conviction underscores the importance of having a confidant who can empathize with one’s struggles, reinforcing the idea that love and understanding are vital components of overcoming personal darkness.