I have always had this grouse since childhood that it was unfair of God not to have blessed me with a sister of my own. The brother-sister relationship is often a roiling mix of love and hate, they may fight like Tom and Jerry all day long but they still remain inseparably connected and can't live without each other. A sister's presence is a necessity in every family to experience those 'little sweet, little sour' moments that go onto become unforgettable memories for life!