Writing check-in messages is normally a reflection time for me. And lately I've been inclined to describe why I changed the code, instead of just describing what I've changed. I know I have to consider that all the time, but it can still serve as a last sanity check. It makes me think: "Am I really adding a valuable change to the codebase?" Do you agree with this approach? Think about it next time you check-in and then let me know in the comments.