Before the Season 2 premiere on Sunday, she warned that the new episodes may be triggering and asked that fans only watch if they can handle the material.

“This season, maybe even more so than the last, is deeply emotional and deals with subject matter that can be triggering and difficult to watch.

SlashFilm.com called the sophomore season “emotionally relentless,” saying: “It commits to every bold narrative maneuver it makes, but to a warts-and-all portrayal of addiction most of all.”