Because I can read code. In fact I read every piece of code I write, right after I write it, and probably more times after. It's a good practice, because as an

Because I can read code. In fact I read every piece of code I write, right after I write it, and probably more times after. It's a good practice, because as an human, my first take at a piece of code is often subtly wrong, or correct but missing important edge cases. Speaking of, I didn't deliberately insert that typo in the above paragraph, but I did notice it when I read this post before submitting it, and would normally have corrected it.