Firstly,you need find out what type of friend that you want to make friends with,which,i think,can help you sort out certain people who really fit your style from a group of people.
Secondly,you should set a correct definition of "a good friend".You are in want of good friends,and others are looking for faithful buddies,as well.So you should treat them as real friends in the process of furthering relationship,and in return they will do it the same way.
Lastly,between each two friends,unhappy moments are also part of your "friends-making".if they do really occur,you are required to calm yourself down and figure it out by having a heart-to-heart conversation and then try to learn something from it.
Okay,I hope my sentences above can be of help to you ,anyway.