It is so much easier to be nice, to be respectful, to put yourself in your customers' shoes and try to understand how you might help them before they ask for help, than it is to try to mend a broken customer relationship.
Mark CubanDon't get caught up in how many hours you work. Judge success based on having goals and measuring your results. Hard work, and lots of it, is certainly needed, but focus on what you get done.
Mark Cuban