Transcript

4 panel comic, split into two parts.

Part 1: Introverts

Panel 1: [A purple clam sits happily on a rock at low tide. Some seaweed and pebbles are strewn about] Clam: No

Panel 2: Clam: I will NOT open up.

Part 2: Extroverts

Panel 3: [A cartoony otter stares downwards]

Panel 4: [The otter raises a rock above his head]

Source