By LUPER 
Females are very unpredictable or have intense emotional range. When a person shifts between contrasting behaviors or moods rapidly—such as from calm and composed to seemingly aggressive or flirtatious—it could indicate a few different things.
One possible explanation is that they might be experiencing mixed emotions or internal conflict. They could feel attraction or affection for you, but struggle with how to express it appropriately, so their responses are erratic.
The “innocent librarian” side could represent a more reserved or controlled persona, while the more provocative or intense behavior may be a way of showing deeper, perhaps more subconscious desires or emotions.
Another possibility is that this person may enjoy pushing boundaries or testing reactions to see how you respond, possibly as a way of gauging your interest or asserting control in the interaction.
It’s important to consider the context of your relationship with this person. If this kind of behavior feels uncomfortable, confusing, or inappropriate, it could be worth discussing boundaries and ensuring there is clear communication between you both. On the other hand, if both of you are comfortable with this back-and-forth dynamic and it feels playful or consensual, it might just be part of their personality or way of interacting.
Ultimately, open and honest communication is key in understanding each other’s needs and limits.
