1/2mi S 1/2mi E 1/2mi N = 1/2mi E The bear says
Didn't notice after I BBQed it... Want some?
What bear? You didn't mention a bear. And there aren't any bears on Antarctica.
You didn't say you lived in the Arctic and you didn't say anything about a bear...
That's not true, the same thing can happen from any point about 0.9 miles away from the south pole.
No not changing it. You walk south towards the pole, then you walk in a circle around it to the east until you're back where you were, then you walk back north