Why Is One Twin Favored Over Their Sister or Brother?

Psychology Today | 11.06.2026 21:45
It is difficult to tell twins apart, especially identical twins, because they look so similar and their behaviors are also very much alike. Learning to see the real differences between twins can be extremely difficult for new parents, who are not aware of the difficulty twins may have separating from each other. It is so very critical that gradually twins and their parents develop a singular relationship with each other as they develop individuality.