Elizabeth actually looks a little embarrassed by the reassurance. That's more of a humiliation than anything else now-- how dumb was going to an unfamiliar pub by yourself and taking an open drink from a stranger?

Experience had taught her this, of course, and then her university student-safety lectures had reinforced it in words.

"Ha, yeah, but you'll be around, right? So obviously I'd be fine." And now she's not at all afraid to punch somebody in the nose for trying to mess with her. "What kinds of parties are thrown on Christmas Day anyway? Should I find something festive to wear?"