Athazagoraphobia - fear of forgetting. quarantine made ranboo lose his mind, he started forgetting small things like if he ate, or slept, or replyed to someone's tweet. It became a big problem when he saw a picture of a small man standing next to him hugging, soon realizing he forgot who tubbo was. COVER IS NOT MINE, TOOKIN FROM https://www.youtube.com/watch?v=2SygrJJ8K40