*Significant Other* is a 2022 American science fiction horror film, masterfully written and directed by Dan Berk and Robert Olsen. The movie unfolds as an intimate exploration of human connection, vulnerability, and the fragile nature of relationships, all while being interwoven with themes that evoke the unsettling vastness of existence—a hallmark of cosmic horror. At its core, the story follows Maika Monroe and Jake Lacy, who portray a couple navigating the complexities of their strained relationship during what was meant to be a peaceful backpacking trip through the serene woods of the Pacific Northwest. Their journey—marked by raw conversations and moments of quiet reflection—is abruptly disrupted when a meteor crashes nearby. This celestial event introduces an eerie alien presence into their world: a malevolent shape-shifting entity that blurs the lines between reality and nightmare. The film delves deep into existential dread, exploring humanity’s insignificance in the face of the unknown universe. While not explicitly labeled as "Lovecraftian," *Significant Other* draws inspiration from H.P. Lovecraft's cosmic horror tropes, where the incomprehensible scale of the cosmos challenges our understanding of life, love, and mortality. Through its haunting atmosphere and nuanced character dynamics, the film transforms a simple woodland escape into a chilling meditation on trust, fear, and the fragility of human bonds amidst forces far beyond comprehension. In this tale, the alien isn’t just an antagonist—it serves as a mirror reflecting the couple's inner turmoil, forcing them to confront their deepest insecurities and desires. With every shift in form and every eerie encounter, the audience is drawn deeper into a narrative that blends psychological tension with otherworldly terror, creating an experience that lingers long after the credits roll.