A while back somebody commented that this very effect was a strength of TDD. It's easy to gain mental "momentum." I'm not a strong TDD guy, but when I'm feeli

A while back somebody commented that this very effect was a strength of TDD. It's easy to gain mental "momentum." I'm not a strong TDD guy, but when I'm feeling a bit slouchy (or even overwhelmed) I'll often start with unit tests to get the ball rolling.