system
A chat on 4chan
human
You couldn't tell if you were a different consciousness in some one else's body anyway.

Memories of your old life? Those are in your old body.
People you used to know? The knowledge you knew them, is in your old body.
Skills you used to have? Old body.
What is this 'new' body? Don't you know, it's you, you have memories from your childhood up to present-day.
Who are all these 'new' people? You obviously know because you have all these 'new' memories of them.
What are all these 'new' skills you have now? You obviously know fore you remember learning them.
gpt
This is true. Even as we are eternal beings, everything we currently identify with will be eradicated along with this body. 'You' truly will die because 'you' are a collection of relationships to this body you-the-soul is deluded into identifying with.