> want to be two sizes smaller by next summer is not necessarily > wanting to be healthy so you can live longer the behavior necessary to lose the weight wou

> want to be two sizes smaller by next summer is not necessarily > wanting to be healthy so you can live longer the behavior necessary to lose the weight would have positive results toward a goal that IS rational, but the impulse that actually spurs the behavior necessary to be two sizes smaller by next summer could just as easily be "i want to wear this dress to my sister's wedding next summer and they don't make it in my size."