Qualities of a good friend

All the people in the world will meet a lot others people, but some will be their friends and some wont be and the rest will be their enemy's, and friends are classed in 2 classes, the first class is a good friend, the other is a bad friend, so now we going to see the qualities of a good friend, a good friend should always help his others friend and make him do right things and not things that will get him in trouble and if anything happen he should defend him and always be fair, and always be their when his friends need him.