She was being cold, and it hurt like hell to be that way but she couldn’t just have him waltz back in her life and be the same girl she was before. Life didn’t work that way (and Bobby would probably kill her). He went poof and Bobby had picked up the pieces so if she had to be more of a bitch than she’d ever been before so be it. She wanted an answer to one simple question from him. Then she would make her judgment on whether to forgive him or not.
“Yeah. It’s one answer, all I’m asking.” She was basically guaranteeing that she wouldn’t ask for further information but she wasn’t going to push him, his question made her think that she was likely irritating him with what little probing she was doing.