[At the mall, Jeff is saved by Stan from some rubble, and they talk about Hayley]
Jeff: ...But why'd she go so crazy?
Stan: Whenever she gets dumped, she completely wigs out. I don't know why; it's always been that way...
[Flashback to kindergarten; Hayley is crushed on by boy named "Jon"; she is happy; new girl arrives, boy crushes on her instead; in response, Hayley destroys classroom, killing the class hamster in the process]
Stan: The autopsy showed the hamster was pregnant...
Jeff: ...But why'd she go so crazy?
Stan: Whenever she gets dumped, she completely wigs out. I don't know why; it's always been that way...
[Flashback to kindergarten; Hayley is crushed on by boy named "Jon"; she is happy; new girl arrives, boy crushes on her instead; in response, Hayley destroys classroom, killing the class hamster in the process]
Stan: The autopsy showed the hamster was pregnant...
[At the mall, Jeff is saved by Stan from some rubble, and they talk about Hayley]
Jeff : ...But why'd she go so crazy?
Stan : Whenever she gets dumped, she completely wigs out. I don't know why; it's always been that way...
[Flashback to kindergarten; Hayley is crushed on by boy named "Jon"; she is happy; new girl arrives, boy crushes on her instead; in response, Hayley destroys classroom, killing the class hamster in the process]
Stan : The autopsy showed the hamster was pregnant...
http://www.tv-quotes.com/shows/american-dad/quote_16452.html