Its to make her seem naive and that she just naturally got a crush on him just in case she reacts to anything that happens to him CaiChiCat
It’s like you’re a kleptomaniac and you deliberately touch every object in the room, so no one can tell which item you stole. But theft will still be noticed, just your behavior looks extremely suspicious...
Ha? What's wrong with her, it's not that she don't know his circumstances, she is not newborn either. Why clinch so suspiciously in enemy presents?