apparently there are proven similarities between teenagers and cats:
Cats and teenagers can sleep for hours on end, only surfacing to eat or use the toilet.
Cats and teenagers can lie on the sofa seemingly motionless for hours.
Both eat odd things at odd hours.
Both stay out all night if allowed to.
Cats are obsessed with themselves and their appearance, as are teenagers 
Neither cats nor teenagers turn their heads when you call them by name.
A cat can appear calm and approachable on the outside, but approach it incorrectly and it will strike in an instance. Teenagers......
