Panel 2: Michael detaches his head and shoulders from the rest of his body, floats over, and screams, "YAAAH" and Elly is so startled that her right armpit wets itself.
Panel 3: Elly tells Michael never to sneak up on her like that again. I can guarantee you that following a reaction like that with no punishment and a polite request will ensure that Michael will do that again. And I don't even have kids. Elly's left shirt sleeve has lost half its stripes.
Panel 4: Michael rests one arm on the table and half-closes his eyes when delivering the punchline. He looks like he's chatting her up at a bar. Clock him, Elly! That'll make this whole week worthwhile.