Good friends help each other solve problems. Good friends give each other compliments. Good friends can disagree without hurting each other. Good friends are dependable. Good friends respect each other.
Good friends are trustworthy.
Good friends give each other room to change. Good friends care about each other. That it is normal for friendships to change as we grow up. How to maintain good friendships through the tumultuous changes of adolescence. That it's good to be open to friendships with people who are different from us.