My father used to pull this trick at the electronics store...while 3 or 4 of us kids sat in the HOT car with the windows open to keep us 'cool', no water to drink and usually in blazing sun. One by one we'd go remind him how hot it was outside and could we please go home? "Not yet. Get back in the car!" was always the response. We left when he was good and ready.
Now he'd be arrested for leaving his kids in the car on a hot, sweltering day!
I do hate to go shopping with my husband because he wants to be in and out in 10 seconds...