In most societies throughout the world, siblings usually grow up together and spend a good deal of their childhood with each other. This genetic and physical closeness may be marked by the development of strong [[emotion]]al associations such as [[love]] or [[enmity]]. The sibling bond is often complicated and is influenced by factors such as parental treatment, birth order, [[personality]], and people and experiences outside the family. [1] | In most societies throughout the world, siblings usually grow up together and spend a good deal of their childhood with each other. This genetic and physical closeness may be marked by the development of strong [[emotion]]al associations such as [[love]] or [[enmity]]. The sibling bond is often complicated and is influenced by factors such as parental treatment, birth order, [[personality]], and people and experiences outside the family. [1] |