But as we become more sophisticated about the kinds of data that self-monitoring devices return to us, that first impulse need not be our last impulse. We can construct narratives around our numbers. Indeed, in Trish we see the impulse to do that. (“It makes me wonder why it thinks that.”) And in meetings of those who declare themselves to be part of the “quantified self movement,” people do bring in data from sensors and programs and attempt to construct stories around them.