How to spot them: This is pretty obvious by the name- they are the Reader that acts like a child, usually when they're supposed to be at least in their teens or sometimes even vague "young adult" age. They typically have a really child-like way of speaking, usually making up really lame insults that the male they're paired up with will chuckle indulgently at. They tend to whine like a child, pout, stick out their tongue to signify annoyance, and generally play up the "cutesy" factor for all it's worth. They also can't seem to go two minutes without giggling, yelling or crying- and if they do cry, it usually is to make the male character cave in and do whatever she wants, after which she will miraculously stop crying.
Why they are annoying: Look, I'm not saying there aren't childish people out there, or even simply people who have bouts of acting like a child...but this Reader basically shouldn't be allowed out on their own. They act in a manner that would be irritat