as we all know that friends can make our life more rich and colorful.but if we make some bad friends,which may bring us a lot of negative effects. in my opinion,good friends should have follow qualities.first of all,they should give you some help when you are in trouble.second you can share happiness and sadness.you must have an sincere heart.last but not least,you together can improve each other and encourage each other. i think if do like these,you will have a true friend and ennjoy a colorful life.so come on!