Hindsight is 20/20, and it's really easy to see where you went wrong after the fact. Sometimes it's nice to try to save someone else from making the same mistakes you did.
Unfortunately, a lot of things don't seem like the good advice they are until after you've already messed up.
Be honest, most of us aren't exactly thrilled to go to work. Quite a few of us spend the day drudging away through monotony wishing for something to shake things up ... but what do we do when something actually does?