What?

De came home one night a little early and got to eat dinner while William was still at the table. He'd finished eating, but was happy to sit and talk with us. WELL, De gets his drink and comes to sit down to dinner. William listens to him pop open his can, and says...
Push play on the video. Neither of us has let him have any, nor have we talked about it, except for when purchasing it in the store [I talk with William about what we still have to get from our list or what department we are going to next].