It does make you someone who is likely to step in dog diarrhoea during the night though, depends how many grapes "a few" is, as how small your dog is. I found

It does make you someone who is likely to step in dog diarrhoea during the night though, depends how many grapes "a few" is, as how small your dog is. I found this out the hard way as a kid. There was quite a few diarrhoea incidents I had to clean up in the morning.