A rite of passage, a transition ceremony of sorts! Andrew’s identity changed when he left the group of non-shoe tyers and became a member of the shoe-tyers group.
Click on image to enlarge it. Incidentally, this actually happened in the mid 1990s, a couple of years after completing my doctorate, and it encapsulated in a single episode my sociolinguistically-oriented dissertation research in a bilingual Kindergarten classroom near Washington, DC in the mid 1990s that was undergoing a reform of its mathematics curriculum. Learning is identity change. Andrew has never been the same ever since!