I like teasing subtly related ideas apart. I can usually quickly decide whether or not there is a meaningful distinction and explicate it...
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...but the distinction between 'want' and 'need' has defeated my best efforts for like 6 months.
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...Best idea I've had on want vs. need: they are same psychologically at time scales > 1 yr. < 1 yr, needs are h/w accelerated, wants aren't
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Huh? It's there in the words themselves -a need is a necessity, a want is a luxury. You die without the 1st, you're sad without the 2nd
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yeah, that's what it looks like on the surface, but the boundary gets very grey and psych responses can be counter-intuitive
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Example? Do you mean the cases when people didn't learn how to tell necessities from extras (i.e. bad budgeting)?
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lots of examples that are needs at one time scale, wants on another
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Is it meaningful to distinct permanently? Like a truth value of a sentence - "This is a lie" does not have it.
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'mission critical' assumes a 'mission' but how often have you been on a 'food in next 5 minutes or I starve' state?
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Take the leaf of the decision tree? Whether you need or want that presentation, a bicycle is a need for it.

