So you can practice catching flies like Danial-San in "The Karate Kid".

From this you get many things:
1. It takes your mind off your dire situation
2. Protein if you actually catch a fly
3. Quiet time to ponder the wonderful 80s
3. A renewed sense of mastery over the situation because "Man who catch fly with chopsticks accomplish anything".

<img src="/images/graemlins/grin.gif" alt="" />

Maybe not...
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"Learn survival skills when your life doesn't depend on it."