The thing was, even B hadn't known Faith when she'd first become a Slayer. She may have been wild, but things had changed for her the most after watching Kakistos tear her Watcher apart. Something in Faith had snapped at that point, causing her to be reckless afterwards.
The the guy she'd killed had been an accident.
When he asked about her being a Slayer, she met his eyes while taking another drink from her bottle. Setting it down again, she nodded. "Yeah, we're real. There's supposed to be just one at a time, 'cept someone broke the rules, so right now there's two." As far as she knew, anyway. She still didn't know about the spell Willow had done.
"Basically, we're hot chicks with superpowers." She grinned and winked at him, then took another sip of beer. Being a Slayer had become the one thing that she liked best about herself, and it showed.