dr. julesesident of veterinary services, joins me now with important advice and a guest. please introduce your guest, dr. jules. >> this is walter, and he's from the short nose only rescue team or snort.org, and he is a boston terrier. gerri: and you can own this dog. >> you can adopt this dog. he would be happy to adopt you. gerri: oh, i love that idea, but you could hurt him mightily by putting him in a hot car. let's talk about -- >> sure. gerri: -- i didn't realize how cool it could be outside and how hot it could get inside a car. >> yeah. there's a couple of compounding factors, but a big one is, obviously, the heat outside. sure, a 70 or 80 degree day, that can cause a greenhouse. so if you walk away, that temperature can go up 30 degrees this the first half hour. so, you know, from 70 three day, it's 105 degrees in that car. and if we've been away for a little while, i'd break out in a sweat, and these guys can't sweat. plus they're wearing a fur coat. so imagine you go to sit in your c