Why People Need Windows

I'm sure most of you have already known about this, and yet it just
bothers my mind when we take a look at this from another level and put
it in another context

In the cave eras, people don't have windows. They make a large hole
opening on their caves or huts that serves as a door and functioned as a
window as well.
Then eventually one really smart guy, or a girl in fact, closed the
opening to prevent dangerous animals to enter. And thus, doors came to be.

But why need a window? What importance does it make. Why a room with
window is preferred compared to those with only door(s)? Now we look at
what happens outside the house or the room or whatever. There's the sun,
there's the greenery, roads, your fence, maybe a little bit of the sky.
Do we like what we see outside?
If we do, and for most people there is a certain objective in knowing
the outside or having in contact with the outside, is the reason why we
have windows.
So when we do have a chance to be close to whatever good there is out
there, we want to, and yet we are scared of the negative things they
bring. The dust, the heat, the smell (if there's any), the sound.

If we again go back to comparison with the cave age, most people spend
their lives outside, with the forests, with nature etc. A hundred
century later, people stay inside the house, the building, the room, and
by choice (actually) decided not to have contact with the 'outside' as
much. Yet if you recall the question before, most of us do like to know,
interact, feel the outside world out of our room or cubicle.

People decide that they want to control how they interact with
something that they love / like. They want to touch, only when they want
to, how they want it. They want to feel, interact, hear, see, only when
they decide to. That's why, the answers are windows. They open the
window and get whatever they can out of the limited space and time and
close it once they feel it's enough or they start to feel the
consequences. They ignore negative aspects once they close the window.
It's still there, the dust, the pollution, the extreme heat, yet they
don't have to think about it. Since now they have a closed wall, a door,
and a window. Being smart and selfish at the same time works.

You decided you like something, you try to blend with it, you discover
something you don't like about it and it disturbs or hurt you in some
way, so you close everything , put little holes just in case you need
to go back and get the best sides of it and put layers and layers of
protection around yourself. And yet we would still say.. we love that
something.