Watch out for the BBQ sauce. If it has honey and sugar it will be high carb and high calorie. I would definitely eat first and tell the truth. You just couldn't wait to have something and now you're just not so hungry. Then you can at least have small portions. I don't know what diet you're on but I use Atkins and as much as I'd love BBQ, it would be a nightmare at this stage. I'd have to stick to salad and try to shred the meat and only eat the unsauced part.