What we played with as the questioner was how she was weighting that information, which in turn affected her judgment of that information. We biased her mental model of her life. So which is true? Is she happy or not happy? The answer depends on which information is being pulled to the front of her mind. In psychology, this is called priming. And this is, in essence, how you weaponize data: You figure out which bits of salient information to pull to the fore to affect how a person feels, what she believes, and how she behaves.
