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    I think it's worth noting though, it's an acquired skill. I see so many people hear the claim that TDD really isn't even a time-sink upfront that pays itself off in the long run, it's just faster, period. then they try it for a day and it's painful because they have 0 experience, have read 0 books, no practice, they just expect it to magically work. there's no secret to TDD that makes you a better developer, you still need to practice, still need to think, still need to make good educated decisions. Commented Jun 15, 2016 at 5:48
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    @kai - +1. I spent weeks reading about TDD before I tried it. I read everything I could find. I read books. I read through all the well-known agile blogs for examples. I read xUnit Test Patterns cover-to-cover. For the first few weeks, it still took me twice as long. Commented Jun 15, 2016 at 8:33
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    I agree. TDD is hard. The mindset is difficult. Anyone who says "Just write the tests first" and claims that it's free doesn't know how to do it. It takes practice. Commented Jun 15, 2016 at 14:03
  • @kai: for similar reasons a lot of people can't touch-type. They tried it once and after a whole hour still weren't typing any faster than before ;-) Commented Jun 17, 2016 at 1:05
  • @SteveJessop I guess that's a pretty neat comparison. Or being really unfit and going out for a 10 minute jog, getting exhausted and wondering why you can't run 10 miles in an hour. it really illustrates how you need to work before you get the benefits. Commented Jun 17, 2016 at 8:36