Anne and Margot's relationship

Anne and her sister Margot they are not really close because they are different ages and she never talks about her she just talks about what she does and she never hangs out with her or really sit there and have a conversation with Margot. So i think their relationship with her is not really close like most sisters are. Me and my sister are close but not as close because shes younger than me she 13 and I'm 18 but I still have serious sister talks with her. and Margot and Anne they don't