He has to avoid traps and his dog helps him
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The newcommer man fears quite a few traps. I'm going to list them so it is more clear.Much of what the man did went against the advice of the "old timer".
-he is afraid about falling through the ice. His feet will get wet which is a quick way to hypothermia.
-he ventured out into the wilds alone.
-does not heed his doggy. The dog really does not want to go on.
-man lights a fire under a snowy tree which puts the fire out from the wind.