Nothing good may last forever. If we think that a good friendship will last forever, we may be wrong. Every friendship may end. Very few friendships survive. And they are lucky friendships.
We develop many friends in our childhood, and go on our separate ways in high school. Most of the childhood friendships end at that stage, and new friendships are formed. Same pattern is repeated after college. We go in different directions to pursue different careers. The contact with friends is lost and slowly these friendships also end.
Friendship is like a river. It flows towards its destination and on the way it meets many interesting people. Relations between friends change, if one of them gets married. The entry of a new person may bring irreversible changes in friendship. Disagreement over issues may bring very old friendships to a sudden end. A friendship is formed because friends have common interests and opinions. Once they begin having different opinions, there are more of disagreements than agreements during a talk. This brings the friendship down by souring the relationship.
Friends also have expectations from friends. Relationships are not always totally...