If the expenditure was seen as cost, anticipation of profit is reasonable. Nevertheless the form of the profit, its quantity and quality measures will by and large still be unknown at the end of the day. It can be in any form. A feeling of self-fulfillment, boosting of self-efficacy taken from certain perspective, can be the profit, which is now better termed as "reward" to reveal the innocent sans-lucre nature, which is, under the name of LOVE, without any Machiavellian calculation.
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