jaded (179)- dulled or worn out and wearied.
solidarity (185)- union or fellowship arising form common responsibilities and interests
"Then I flash to her laugh on the phone earlier and just how chummy she seems with Tate, and I wonder if maybe this visit is our one and only (177). "
-I think this is an important quote because you start to see that Jenny is getting annoyed and jealous of her new half sister, Alexa. She starts to wonder if they will ever want to see each other again. Even if Jenny herself ever wants to see Alexa again. Jenny could be just mad because Alexa is stealing Tate and really like her.