I’m sorry to say it, but you fear your code. Once written, once in production, you are afraid of changing it. When there’s a bug, you prefer to fix it using that messy, yet surgical, hack, rather than the more logical refactoring that leaves your code better.

Admit it! You fear your code. But there's a way out: just write tests.

Writing tests is impossible! It makes my productivity tank! My boss doesn’t leave me any time for writing tests!

These are all excuses for not writing tests. I will show you techniques that will force you to write those tests, and I will show you how they help you sleep better at night, make you more productive, and make you a much better developer.