Think of it as a maximum vector length. As one component of the vector nears the maximum length, the other components most reduce until the vector is aligned wi

Think of it as a maximum vector length. As one component of the vector nears the maximum length, the other components most reduce until the vector is aligned with only one axis and at the maximum length - the other components must all equal zero. That is - to my limited understanding - essentially why photons are “timeless”.