it's helpful
So?
saves them effort.
And costs you more.
let them enter the door first
Why does that matter?
and/or not have the door slam in their face.
It's material on a hinge, not a stone falling from the sky.
I frankly don't care if it's rational or not. It's the manners I was raised with, and I feel good doing it.
If it's not rational, why do you feel good doing it?
I don't need any other reason.
Why not?
It helps grease social interactions with other human beings who also have emotional responses to many situations, and in that regard is very useful.
If people didn't normally hold open doors, it wouldn't 'grease social interactions'.
It's amazing what a random act of kindness that doesn't cost you anything can do.
Why is it kind?
it is more efficient for the first person to reach the door to hold it open for the rest of the people because it saves time and energy across the whole group.
Not to the first person. It's only valid if there are significant gaps between the people, and even then fully opening the door may still work.
The person holding the door does not benefit in that particular instance, but that person will not always be the first person to get to the door.
So your argument is that the loss to the one is outweighed by the average efficiency boost to all when and only when there are large groups of spaced out people?
If you want to impress someone, then saving him or her time and energy by holding the door open is an effective way to achieve your goal.
Sure, if you are trying to impress an irrational person, irrational actions may be the trick. It is nonetheless irrational.
First off, to say that holding open a door for another person is irrational is ridiculous. Sorry.
Well, I'm convinced!
