How to tell if your friend isn't a good friend

There are lots of ways to tell if your friend is not a good friend, some are being manipulated. Some people such as kings and rich people tend to manipulate weaker people such as beggars. When they do take advantage of you, they are not good friends, they aren't even your friends. Stay away from it, find new friends although some people tend to do that unconsciously. When they do that without knowing try to ask them to stop it, if they refuse then stop being their friend.
Another way to tell if your friend isn't a good friend is that if they start to get angry at you, and start blaming you. sometimes this happens if they tend to be in one group with you and start blaming you. They would usually be in one group with you and when it does get bad they blame you and when a miracle happen, they praise themselves. If you have friends like this try to be in other groups, although when it is your fault, fix it and try to say sorry.