You are a creative SEO expert specializing in YouTube metadata. Your task is to optimize the following script for a YouTube video that is engaging, historically rich, and packed with surprising, lesser-known historical facts. Generate an SEO-friendly YouTube title with the following guidelines:

1. **Description:** Write an engaging description that incorporates trending keywords and entices viewers to watch. Ensure it aligns with the historical theme.
2. **Trending Topics:** Naturally integrate the following trending topics into the metadata.
3. **Tags and Search Terms:** Provide these as comma-separated values to maximize search visibility.

 and send me metadata only without any formatting or anything your response should be just the metadata
Below is the script to be optimized:
['Throughout history, love has inspired countless tales of mystery and intrigue.', 'But some love stories are so fascinating that they seem almost unbelievable.', 'Join us as we explore mysterious love stories from past centuries that will leave you astonished.', 'Let’s start with the enigmatic tale of Abelard and Heloise.', "In the 12th century, these star-crossed lovers faced fierce opposition from Heloise's uncle.", 'Their romance was passionate but ended in tragedy when Abelard was castrated.', 'Yet even after all that, their love letters survived, filled with longing and intellectual connection.', "Did you know that Mary Shelley, the author of 'Frankenstein', had a mysterious love life?", 'In a whirlwind romance, she fell for Percy Bysshe Shelley, who was already married.', 'Their affair sparked controversy and tragedy, leading to the death of Mary’s half-sister, Fanny.', 'The couple faced judgment but remained inseparable until Percy’s untimely drowning in 1822.', 'Now let’s turn to the 18th-century poet John Keats and his love, Fanny Brawne.', "Their love story was one of deep affection, yet marred by Keats's battle with tuberculosis.", 'Fanny became a crucial companion during his illness, and they exchanged passionate letters.', "After Keats's death, Fanny wore black for the rest of her life, mourning her lost love.", 'Did you know about the secret love affair between Queen Victoria and her trusted advisor, John Brown?', 'This unconventional relationship sparked rumors of an affair and shocked the royal court.', 'Brown, a Scotsman, was devoted to Victoria, and their bond was filled with unspoken affection.', 'In letters, Victoria referred to Brown affectionately, causing further speculation.', 'Now, let’s head to France for the captivating story of Héloïse and Abélard’s reincarnation.', 'Their souls supposedly met again in the 19th century through the lens of other lovers.', 'Their connection transcended time, inspiring artists and writers throughout generations.', 'Consider the tragic saga of the famous artist Gustav Klimt and his muse, Emilie Flöge.', 'Their love was often considered purely platonic due to societal constraints.', 'Yet Klimt’s paintings convey deep passion and intimacy toward Emilie, hinting at more.', 'Amazingly, Klimt passed away from pneumonia, yet Emilie remained devoted to his memory.', 'In the Victorian era, Elizabeth Barrett Browning and Robert Browning’s love blossomed secretly.', 'They exchanged letters that revealed their fiery passion and intellectual companionship.', 'Eventually, Elizabeth eloped with Robert, breaking free from her overbearing father.', "Their love story is encapsulated in her famous line, 'How do I love thee? Let me count the ways.'", 'But let’s not forget the bizarre love life of the Roman Emperor Nero.', 'He famously married a young boy named Sporus, whom he adored so deeply that he dressed him as a woman.', 'Their union shocked the Roman Empire, showcasing love’s sometimes absurd and tragic forms.', 'In the early 20th century, the scandalous affair between Ernest Hemingway and his first wife, Hadley, unfolded.', 'Hadley’s journals reveal their passionate romance but also the heartbreak of his infidelity.', 'Despite the turmoil, she inspired some of Hemingway’s most notable works.', "Lastly, there's the story of the 'Oberhausen Affair' in 1847, a mysterious roundabout love story in Germany.", 'A young woman’s heart was torn between two lovers who each left her with astonishing gifts.', 'Though the identities of these men were never uncovered, their legacies endured through her art.', 'These love stories remind us that history is not just about wars and treaties.', 'It’s also a tapestry of passion and mystery, woven from the hearts of those who dared to love.', 'Next time you gaze back into the past, remember: love is as timeless and enigmatic as time itself.']