Even with language and reasoning, children find it difficult sharing ideas, desires, beliefs, interests, etc., with others, as they believe that other people's points of view and interpretations are same as their own. This is because their VP uses their own B-ROM for others, while others use their own, and thus, are different.
To optimize interactions, they (i.e. their VP) gradually start creating B-ROMs for each person they interact with, which I call "Character B-ROMs", or CB-ROMs for short, (as opposed to their own, which I call "Personal B-ROM"), which helps them to think and interpret from their points of view. E.g., mom CB-ROM, brother CB-ROM, teacher CB-ROM, etc.
With their personal B-ROM as a default, they start utilizing the respective person's B-ROM as and when they interact with them. In colloquial words, this helps them to "read other people's minds" and think like them. On further development, CB-ROMs also help them to do the opposite, i.e. "read" how other people will "read" their own minds.
It is observed that some children, while talking to others, address themselves in the third person. E.g. instead of saying, "I want to eat cake", Shankar will say, "Shankar wants to eat cake". The reason for the same is that they are confused between their inner voices, i.e., internal communications and communicating with others, as their CB-ROMs, intramural communication, extramural communication and language skills are in developing stage. In such circumstances, as they use their memory to recall how others would have dealt with the situation, they mix up recall of others addressing them by their name, which is propelled by their urge to communicate (a consequence of the evolutionary process), resulting into addressing themselves in the third person.
CB-ROMs are not limited to particular persons. They are also made for one or more minds that work collectively and dynamically (or results of the same), e.g. family, institution, rules, government, etc., which is, in other words, wherever interactions are affected by free will, either from one mind or many minds, working together dynamically.