If you're late, you're late — and your boss might not care about your excuses. A baffling thing that some people do is tell you that there are no excuses for your actions. Then, they still want you to explain yourself. So the conversation will start by your boss demanding to know why you're late. You then say that you were late because you had car trouble , or perhaps your nanny cancelled last minute, or any other good reason for not being on time. Even the best employees in the world won't mak…