If it's not rational, why do you feel good doing it?
Because when I do it, the emotional satsifaction is gives me is enough of an incentive to spend an extra 5-6 seconds.
Remember.... emotions, me, part of my existence. Not everything I do is logically rational, nor do I seek to have every behavior justified through rationality. I am however, an organic biological being where emotions and the interplay of neurochemicals that trigger than are intrinsic to my existence. In other words, my existence is defined in large part by the consequence of my physicality.
Back to holding doors open:
- I like it (a motivator)
- I do it (an action)
- I recieve a positive response from the person (a reward)
- I get a sense of satisfaction from being "well mannered" (a reward)
How is this chain of events irrational if I recieve a benefit that I am aiming for when I voluntarily engage in an activitiy? Are you saying that your valueset on what one should be satisfied doing is better than mine for my life?
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(EDIT: changed "and" to "an")