The first covenant home set up by Adam and Eve was devastated when we saw one sibling killing another, Cain killed Abel. It must have grieved the hearts of the parents to see such carnage in the home. The Bible says Cain was very wroth (very angry). What happened? If we can perform an open heart surgery to examine the heart of Cain, you will realise that there is that boiling anger that causes Cain to lose his the peace in his heart, to be provoked so much as to take the life of his brother Abel.Family life grinds to a stand still!