Hundreds of years? [ yes. hundreds. and that smile, that nod -- she knows. rebekah told her. she knows and she's oddly okay with it. hurt at first that rebekah wasn't honest with her, but understanding. quinn understands needing to protect yourself and having things you just don't tell people. of course, the fact that her first name is really lucy isn't exactly on par with being a vampire, but everyone has their secrets. and she's warmed up to the supernatural and non-human portions of the prison population a lot since her arrival. being best friends with a vampire? she can live with that. and at the end of the day, she's happy that rebekah trusts her enough to tell her.