When you have siblings at home, it is natural that there will be fights, misunderstandings and problems. Parents equally have a tough time because of the fights between siblings. As long as it is just a fight and nothing serious, you have nothing to worry about. However, if things take an ugly turn, then it can be so disastrous that it can even break your home. Scary but true, sibling rivalries can actually break a house in such a manner that it cannot be fixed. Let us look at some of the reasons why sibling rivalry can be so disastrous.