What you've got to realize about Texas is, while 40 degrees doesn't seem cold to most people, not two days ago, it was 90-something outside. When you've spent the last 5 months at 90 or higher, that sudden drop to 40 chills you to the bone. As well, as soon as the temperature drops below about 60 in north Texas, the pressure drops and it brings heavy winds in. I've stood in skivvies in Utah in the dead of winter, well below 0, but the air is still, so it's not terrible. In Texas, it's windy and humid, so you chill faster.
Cut him some slack. How many of you worked on your Jeep in triple digits all summer? And when did your summer end? Ours ended last week.
1997 Grand Cherokee Orvis Edition
1998 Grand Cherokee 5.9 Limited
FUEL ECONOMY IS FOR LOSERS