As a medical professional, it is crucial to consider the functionality and long-term implications of living with only one kidney. While it is well-known that individuals can lead normal lives with just one kidney, it is important to acknowledge that the remaining kidney must be able to adequately perform its essential functions for optimal health. The human body has a remarkable ability to adapt and compensate for the loss of an organ, including the kidneys. However, certain factors such as preexisting medical conditions, lifestyle choices, and overall kidney health must be taken into account. Regular monitoring of renal function and adherence to a healthy lifestyle (including maintaining a balanced diet low in sodium and high in water intake) are paramount in ensuring long-term viability. Additionally, close collaboration with healthcare professionals and routine check-ups enable early identification of potential complications or deteriorating kidney function that may require intervention or additional medical management.