It's often said that when going for a job interview, you should be kind and courteous to everyone you meet; famous anecdotes about not holding the front door to the building open for the person who ended up being the hiring manager reinforce this idea. Why, then, don't we extrapolate this idea and apply it to our daily lives—both professional and personal? When one lives their life in this way, they negate the chance of saying the wrong thing to the wrong person at the wrong time, like this sor…