I would try going to the military base and start throwing some rocks at the guards, and then run like hell.

You will get a little aerobic, some cardio, probably some hand-to-hand. Plus it is free!!!

Or I guess QISC if you want to try that.

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Build a man a fire and he will be warm
for a day; set a man on fire and he
will be warm the rest of his life.
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