You shouldn't use someone else's handicap permit because that's illegal.
John has a hard time finding a parking spot close to his office building.
John wants to walk a shorter distance.
John gets to work earlier in order to find a good spot.
John borrows his mum's handicapped permit and starts parking next to his building.
John is able to park right next to his building.
John is called out on his deception by his coworkers.