Spam is truly the answer to most of life's problems. The remaining problems may be adequately solved with Duct Tape and/or high explosives.
Spam is passe. That was the the last war. Tuna is the answer to today's problems. It comes in individual packets with three different seasonings and high in omega three.
Duct Tape and/or high explosives, on the other hand, will always be valuable commodities.