Up to 50% of young twins develop a secret language that can not be understood by others. The phenomenon is called cryptophasia and is thought to be created to communicate when one of the twins develop language slower than the other.
fact
fact
Up to 50% of young twins develop a secret language that can not be understood by others. The phenomenon is called cryptophasia and is thought to be created to communicate when one of the twins develop language slower than the other.