That's the story of my development life! I know I'm human, and as such, I will err, but I really don't want to be erring as humans do in production. I feel lik

That's the story of my development life! I know I'm human, and as such, I will err, but I really don't want to be erring as humans do in production. I feel like my "capacity to err over time" graph is U shaped with a bit of an M tendency towards the end - as a newbie, lots of ways to make mistakes without realising, then as my skills increased, realised the "known unknowns", and coded and released very cautiously, but when I blurred into a senior, ran the risk of thinking "I know this" without checking that all my assumptions and prior knowledge held true, and learned the caution of the intermediate developer again.