[Dagnabitt]

When we're born, we're either XY or XX chromosomes. When we die, we're either XY or XX chromosomes. End of story.

That's nearly the End of Story, but not quite. There are rare cases of men with XXY, XXXY, or even XXXXY.

See Klinefelter Syndrome

[Art in Idaho]

That's nearly the End of Story, but not quite. There are rare cases of men with XXY, XXXY, or even XXXXY.

You are correct. Very rare conditions but they do exist.