In general, ifyoudo not seeareasonablechancetowin more than half the pot, it is time topack upandfold, unlessyou want to makea bluff or semi-bluff bet.
Well one of those poor souls must have grown up to become a product designer bent on saving future generations from such cruel torture, and the result is a portable "bonfire" that you can fold up and slip into a knapsack or strap onto your pack mule.