On the night their sketchbook lost its last blank page, they sat cross-legged on the floor under a lamp, flipping through the drawings. Every page was an itinerary of their days together—arguments, small triumphs, lazy Sundays, the absurd outfits they wore to themed charity runs. When they reached the first doodle, the two‑panel rule, they laughed at how earnest it had seemed then and how much it had contained.