Be punctual because it shows respect for those who are expecting you. I am always on time. Everyone in my family arrives to an event on time. I am on time at work, for an appointment, for a meeting with friends or family, etc. This is what I was raised to do. I was taught that tardiness showed disrespect. Sometimes I am amazed at how late my students show up to class. I had to make a rule that my door will be locked five minutes after the beginning of class. A few of my friends think it's nothing to arrive five or ten minutes late for lunch date or sometimes they don't come at all. The excuses run from, "Oh my gosh, I totally forgot," to "I was running late all morning long. So sorry but I'm so busy." I too am sorry but this behavior is rude and disrespectful. Remember, "do unto others as you would have them do unto you?" Well, if we want our friends, family members, clients, teachers to respect us, then we better start by showing up on time.