Hello everyone! Girls, is it true that if you don't stroke a child's h…

Hello everyone! Girls, is it true that if you don't stroke a child's head she will be elongated? I had never heard of such thing before, but recently one relative said that you need to constantly stroke her otherwise it will be like an egg. By the way, I have never done this and haven't even put a bonnet on him, already don't know what to believe...