When you die, your soul leaves your body and goes into another body.

The dweller in the body experienceth in the body childhood, youth, old age, so passeth he on to another body. 2:13

As a man, casting off worn-out garments, taketh new ones, so the dweller in the body, casting off worn-out bodies, entereth into others that are new. 2:22

You will become whatever you are thinking about at the time of your death.

Whosoever at the end abandoneth the body, thinking upon any being, to that being only he goeth. 8:6