Currently...
After the talk with Selene, Delphine's mind was an absolute mess.
She kept thinking and overthinking everything, replaying the conversation in her head over and over again. Selene's words had hit her much harder than she had initially thought, and what made it worse was that she had actually witnessed Aria showing interest in Aether.
That moment had been like a slap to her face, forcing her to connect Selene's ridiculous words, and the more she thought about it, the more her brain felt like it was being wracked apart.
And then, just as if fate wanted to mess with her further, she spotted Aether and Xara approaching. The instant she laid eyes on them, all the swirling thoughts in her head exploded at once, and before she could stop herself, she shouted,
"HOW DARE YOU BETRAY ME?!"