> BUT you know that you should. If you don’t, you’re making things worse! If you don’t write the tests, you may even break something and you won’t realize!!! S

> BUT you know that you should. If you don’t, you’re making things worse! If you don’t write the tests, you may even break something and you won’t realize!!! Slowly adding tests is fine if your goal is to increase the total code under test, but it's not going to give you much confidence that you didn't just break something when making updates to the system.