Left starts blathering: "Hey, have you heard about the thing those freaky scientist invented lately? It's totally awesome and blah blah blah, blah blah blah blather blah, AND it can do blather blah blah blather..."
*Middle continues choosing the next snack*
Right starts interrupting the left head: "Stop it, nobody likes that pointless blathering! ...Hellooo? Are you listening?"