Responses

No, i doy think that’s right. tsun= cold, angry, hotheaded Dere= “To become affectionate”
So it’s someone that is cold on the outside but cute/warm in the inside.
Wiki- https://en.m.wikipedia.org/wiki/Tsundere
The “nutcase” and moron part is wrong, the second part about defense is closer to the meaning.
You attracted to her, so you act cold and insulted her. Good riddance, what an ass.
In the real world, you will never get girl like that. Women also have their own pride you know