Yours may have had a head start.<quoted text>
There's strong evidence of that. Sensory perception, memory, emotion, personality, and thought are all functions of the brain.
When you die, your brain decomposes and those things (you) are gone.
...unless you can evidence a mechanism by which they are saved. Can you?
Ever copy a file over wireless?
Space and matter occupy the same universe. Matter displaces space, moving space displaces space, space can displace matter through space. You have space within the atomic realm surrounded by material strands and energy. Matter vibrates space, space can vibrate matter by vibrating that space within those strands.
Your material self is vibrating matter.