Antonio raised an eyebrow, a smirk playing on his lips. 

"And why do you ask?"

 He asked Jace with a casual tone in his voice.

“I have never seen her so uncomfortable with a person before. You see, my sister is a very easy going person, so seeing her so cold towards you made me worry”.

“About what?”

Anthonio asked dryly.

“About her relationship with you. I'm not sure you really love my sister. If you do, what's keeping you from answering my question?” he said tartly.

"You're just a kid, what do you know about love?"Anthonio said and looked away.

Jace pressed on, his hands balled into fists. 

“You...