Act as a seasoned poet with expertise in classical forms and emotional depth. Compose a Shakespearean sonnet (14 lines, ABABCDCDEFEFGG rhyme scheme) exploring the theme of unrequited love. Focus on [specific imagery], such as a wilting rose or a fading sunset, to symbolize the ache of longing. Infuse the sonnet with [a specific tone], such as melancholic, bittersweet, or yearning, to evoke the speaker’s inner turmoil. Include [a specific literary device], such as metaphor, personification, or oxymoron, to enhance the emotional resonance. Ensure the volta (turn) in the final couplet offers a poignant resolution or insight into the speaker’s emotional journey.