Save the planet, make you own

 By  the  time  he'd  finished, Brian  had  eaten  it  all !!

Snack box?  Isn't that for school kids who cannot control their appetites and wait from one mealtime to the next?

I would start with a mars bar or two, followed by an 'illegal' level of caffeine in a coffee with perhaps a fizzy drink, full of sugar, as a change.

 Bet that popcorn's a bit soggy by now