There are so many ways to engage with your dog and many means of rewards. I've used combinations of play, food, and the environment.

Kickstart his meals like old mother Hubbard bones, they help mop up the extra acid he's got in his stomach which helps calm it so he can eat

I've been dressing up his meals but this morning he threw up when he smelled the egg i added 😅 it was a mixture of a hunger vomit and a smell he didn't like. He normally loves eggs so I know it's the medicine. We have a lot of time left to trial but I feel bad for him. He's getting treats to help