I sucked it up and looked into a myth that legitimately freaks me out. Enjoy my cringing.

Sources:

https://www.britannica.com/art/doppelganger

https://www.ancient-origins.net/myths-legends/doppelgangers-and-mythology-spirit-doubles-001825

https://www.bustle.com/p/what-is-a-doppelganger-the-mythology-of-your-ghostly-evil-twin-is-very-creepy-12233917

https://www.britannica.com/topic/ka-Egyptian-religion