Most of my job is figuring out why things were built the way they were. That's the only way I can know if I'm making the right changes without breaking somethin

Most of my job is figuring out why things were built the way they were. That's the only way I can know if I'm making the right changes without breaking something else in the process. That is to say, sure most code is obvious. I don't work on most code. I work on the parts that need fixing.