Everyone can have a collision with friend,but it is important for us to make up with them. It is usual for us to see our friengs' bad when quarreling.But later,we will find our own faults,usually the same with our friends.So,if he(or she) is too shy to make an appology first,we can find a chance to talk to him(or her)or write a letter to him(or her)to show our sorry to him(or her).Then we will make up with our friends and hold a forever friendship with him(or her).