Any relation in very important in our life.Any person he or she may b very practical in their life he also need the support of the other person in life.
No one in this world can live alone.every one needs support and coordination of other whether they want or not.
so every relation it may be with mother,father ,friends colleague or with cousins maintain with carefully.
some time you run out the thing which do not have have value at that time you may lose the person who is really important and when you realize that it you have no option except regret.
So in your life handle relation with carefully you never know when and where you need them.