Self-Sacrifice can only be done by those who have something to sacrifice.... Those who dont are usually the losers.. not the poor or the witless but the greedy and foolish. Those who are greedy and foolish may have physical strength and those who are greedy may still have money but when it comes down to things they have nothing to sacrifice...
If som1 u presume to be greedy ends up sacrificing for som1 else then its the flat truth is u were wrong. He isnt selfish (not total anyways)
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I would for probably anything... I dont really mind.. what goes around comes around anyways.. I will probably gain more by helping ppl then lose.
I still try to only do it when necessary.