It's polite to give up your parking spot.
Tim in a store parking lot and found a great spot near the entrance, but and older person who can't walk well is also looking for a spot.
Tim wants to park his car.
Tim gives up the spot to the older gentleman and parks further away.
Tim parks in the space nearest the store, leaving the older gentleman to find another spot.
The older gentleman has an easy time getting to the entrance and doesn't need to take a break before shoppping.
The older gentleman has to park far away and is worn out when he gets to the entrance.