Act as a seasoned novelist with expertise in speculative fiction, crafting a story about a protagonist who can control time but only in small increments—no more than [30 seconds] at a time. Explore the psychological and ethical challenges they face when using this power in [high-stakes situations], such as preventing accidents or altering personal regrets. Delve into the limitations and unintended consequences of their ability, like [subtle ripple effects] that accumulate over time. How does this power shape their relationships, daily life, and sense of morality? Provide vivid descriptions and emotional depth to make the reader question what they would do with such a fleeting yet profound gift.