i wouldnt worry my dog wouldnt eat dog chocolate she would only eat caburys . choc buttons was her fav and she was never ill i think a dog must need quite a lot of choc to be ill as mine never was. and yes i no i shouldnt of given her any but with 2 big brown eyes looking at you and pleading how could i say no. also dont worry about the paper 2 of my other dogs use to eat anything they could get hold of as they are a little backwards due to there difficult birth and they are 12 now.just be prepared for whats going to come out the other end