Even though these adorable twin babies have been together since before birth, they still have a lot to say to each other—in their secret language.
Merle and Stijn were caught on camera having an adorable secret conversation with each other.
The touching scene was captured by their father, Roy Johannink of the Netherlands.
Despite the fact that the two babies were not talking to each other, they maintained constant eye contact and exchanged babbles that only they could understand.
At one point, they frowned and giggled during the conversation and it made the parents curious!
What do you think these cute babies were talking about?
Watch the adorable clip here and listen for yourself if you can decode their secret babbling