No one is perfect, but it's good manners to say there should be a discussion and not difficult to you, then there should be no older than the other manners his younger than you.
No one is perfect, But the good manners of speech and the conversation should be. It's not hard At least then you There should be more courteous to others that he is younger than you.
No one is perfect. But the good manners of speech and conversation should have is not difficult. You not young anymore. There should be more than the other manners, he is younger than you.