Decline maybe

Transcript

A person is standing in front of a graph. The vertical axis is labelled with a heart, and the horizontal axis is unlabelled. At one point in the graph, the line suddenly goes downward; the person is pointing at this part.

Person: Our relationship entered its decline at this point.

Off-panel: That's when you started graphing everything. So how do you know it was so good before then?

Title text: How can you ever be sure whether collecting too much data is part of the problem?