When you maintain a piece of code, that only you have written, for a couple of years, and making changes to it is as easy as the first day, then you're a good p

When you maintain a piece of code, that only you have written, for a couple of years, and making changes to it is as easy as the first day, then you're a good programmer. If every change to the code feels like adding another twist to the maze, then you're not a good programmer.