> Generally if I worked the problem for a week then I could give you a much better estimate of when it would be done, and often that estimate was "it's done now

> Generally if I worked the problem for a week then I could give you a much better estimate of when it would be done, and often that estimate was "it's done now" after a week. You're lucky if your management chain allows you to work on problems for as long as a week without giving them an estimate first.