All ration types get old after a short while, Pemmican, Bannock (which I've never had), MRE's, C-Rats, etc. Eating then becomes another bodily function and requirement until something else becomes available like a fresh salad, purchased or pilfered eggs, Rabbit, Nutria Rat, etc.
_________________________
QMC, USCG (Ret)
The best luck is what you make yourself!