She's thankful then--because the partying did turn from good times to worse times (and probably wondered why she wasn't a target at first before she started reading more--because she definitely does).
This is great! I did write that she left New York abruptly after a year, so Chelsea would have been one of like, two? people who knew about that before she actually left, everyone else found out when she was safely in Italy. She is a lot better now (a slip up does happen, but it's not serious, as of now), so she doesn't have to go into babysitter mode when they hang out, which is nice all around!