You paint a lovely picture of the multiples' unique world! It's a beautiful phenomenon to witness their early communication and the deep connection that forms between them. Their little language, filled with inside jokes and baby talk, creates this exclusive club that they're part of, fostering a wonderful comfort and bond.
It's fascinating how they create these intricate relationships, almost as if they're in their own little bubble, yet grounded in the love and acceptance only a sibling can provide. This special dynamic definitely adds an extra layer of wonder to our parenting journey!