In conclusion The word "sorry" is the first thing we can do and an opportunity to adjust the best understood. What do we go by that I don't know and then an error occurs we ought to apologize. Don't disturb others should not do something that is not allowed to listen to and follow the instructions. To apologize when you do not just say words out of your mouth. But this is to show that you accept your mistakes and learn from your mistakes, to apologize to someone, But of course we say, "sorry” it is good manners for the do it yourself. So just listen. "Feeling" each other as much as possible. Dare to say sorry. What is not understood, it's not the worry anymore.