The absolute TRAUMA of opening your old code! You wrote it, you birthed it into existence, and yet three years later it might as well be written in some ancient forbidden language only decipherable by wizards with PhDs in cryptography! ๐
The way we convince ourselves we're documenting properly only to return later and find ourselves staring into the abyss of our own creation like "WHO WROTE THIS MONSTROSITY?!" only to realize... it was us all along. The betrayal! The horror!