Well, no need about spoilers because I'm currently reading through the transcripts of the show right now so in a couple days I will be spoiler free and catch up can start commencing!
Don't feel terrible about it because as far as I'm reading right now (episode 7 of the fourth season) she's not exactly herself. But also, even if I do know all of it, I think I might keep her in season three just because there needs to be some plot going on between these two and such.