There's a lot of stuff that might be true, but the scariest one is you saying you want to jump off a cliff because you're not someone who you might still be. Then there's no going back, you see? It could be so many things. Clones, AIs, other yous, a psychotic break. We just don't know yet, do we? We do know you remember people and still have feelings for them, so let's start there.