Trying to get what they want

I overheard the stinkers-in-cahoots about 3 days ago.  John Sam was coaching Caroline to do this or that so she would look sadder, and then maybe Mom would say yes or we'll see about [insert basically any request].  After I laughed and laughed to myself, I made sure I didn't let on when they came out.  I was very serious while JS giggled and told Caroline to show me.  Here is the perfected look they came up with together: