with "flag facts," i'm veronique. >> coming up -- when hugging is not a good thing. ♪you fill up my senses ♪like a night in a forest ♪like the mountains in springtime♪ ♪like a sleepy blue ocean ♪you fill up my senses ♪come fill me again ♪come let me love you ♪let me always be with you ♪come let me love you ♪come love me again >> one of the best things about having a dog is being able to give it a great big hug, but as emily reports, that might just be a great big mistake. >> robin bennett and susan briggs know all about dogs. in fact, they call themselves the dog gurus. hey, guys! >> hey! it's great to be here. >> hi! thanks for having us. >> susan, i always thought that dogs liked to be hugged. i know that i do. >> i liked to be hugged, too, and i like to hug my dogs, but, in truth, some dogs do like to be hugged, but some do not. >> robin, how can i tell if my dog likes to be hugged or not? >> well, the secret is in the dog's body language. when you go to give your dog a hug and you're approaching him, your dog is probably loose and wiggly and relaxed. when you put