When we die we don’t cease to exist, but our memories do cease to exist, everything about ourselves we once cared for and everything we once knew are all lost due to the change caused by decomposition. Unfortunately our memories and everything we know disapears without brain function. Our particles somehow may find a way to get very near our pet’s particles after we die, but that’s as close as we will ever get to them again. That’s the most painful truth about death, this tremendous, horrible change we go through. “Change” never stops happening whether we are alive or dead, change is part of nature.