According to our current understanding of physics, an object with mass cannot reach or exceed the speed of light. As an object with mass approaches the speed of light, its energy and momentum increase, and its mass effectively becomes infinite. Therefore, it is not possible for a person or any other object with mass to travel at the speed of light.
However, if we consider a hypothetical scenario where an object could travel at the speed of light throughout its entire lifespan, several interesting consequences arise from the principles of special relativity. Time dilation would occur, which means that time would pass more slowly for the object compared to a stationary observer.
From the object's perspective, its journey would appear to take no time at all. However, for an outside observer, time would continue to pass normally. This effect is known as time dilation and is a consequence of the theory of relativity. Therefore, if you were born traveling at the speed of light, lived your life at that speed, and died at that speed, from your perspective, no time would have passed, but for observers outside of your reference frame, time would have elapsed normally.
It's important to note that this hypothetical scenario assumes that an object with mass could travel at the speed of light, which contradicts our current understanding of physics.