Originally Posted by
FlyinDutchman
^

FWIW. Of course it matters. (1) Space creates calmness to the mind. (2) Certain upgrades have lounge access with free drinks/breakfast/food attached, which on a week trip may save hundreds of euros/dollars/yens. (3) It's a confirmation of the -often only perceived- bond between frequent hotel guests and the hotel, a token of their appreciation.
It is disputable if an upgrade from King Standard to Twin Deluxe/higher is actually an upgrade, but that is OT.
The best upgrade for me would be one to a non-smoking room. Unfortunately, where I usually travel (Indonesia and China),
those still have ashtrays.
Otherwise, I don't really care whether I have a small or large room. What matters to me is if the walls/door are paper thin...again, a common issue in China (and Indonesia). Turning on a bit of music to serve a two-fold purpose- overtaking the human chirps outside of the room and serving as white noise while traveling alone- has proven useful and soothing.
If traveling with a girlfriend, the decision of where to stay/how to stay there will be hers.