spring fever

CP: ... so you're breaking up the band, huh?
LR: Huh?
CP: I mean, JT, she's going off to school. You'll miss her.
LR: Yeah, well, that might not be so bad. She's been kind of a basket case lately.
CP: Yeah, I talked to her the other day. She seemed kind of stressed out about schools still.
LR: Well, I think she'll be okay now that she's made a decision, but yeah.
CP: And her parents were giving her some grief about her decision.
LR: Yeah, well, that's not the whole story. She's just been kind of nuts.
CP: How do you mean?
LR: She has spring fever.
CP: [Turns red] ... oh.