to someone good friend seems easy easy but actually difficult.this is based on yourself.there are many opininon in how to be a good friend..
firstly be real.Good friendships don't arise from hoping someone else's popularity or networks will rub off on you.
second is be honest.If you know you were at fault for a missed opportunity, own up. Simply talk about it and hope that your friend will forgive you. then dont lie if no reasons.lying will make friendship become worse.
third is be loyal.to be a good friends must be loyal and sincerely. If your friend tells you something in confidence, keep that confidence and don't talk about it to anyone else.
fourth is be respectful.to be a good friend and to stay on the relationship must respect your friend.we must be supportive in friend decison in case of comes into benefit.
then is give your friend sapce for her life.being his or her freinds dosen't mean his or her belongs to you.you must give your friend space to be socializing with other friends.
other than is be a good listener.dont simply monopolizing or interupt your friend talking , they might feel offended.listen dosent mean you must agree all your friends talk.