I use mustard all the time. I’m not fond of mayonnaise for sandwiches or burgers. My dogs get the last bite of my burger unless I have avocado on it. I’ve never changed my eating habits for a pet but I’ve shared food with them often.

@LynnJ I dont like mustard, and I wouldnt give it to my dog, it upsets their stomach. Dont give her to much, large amounts can be toxic. Mine dont get scraps really. I cook up every week, meat and vegetables in the slow cooker for the dogs , it smells lovely haha They rule our lives, have you got a photo of Patricia?