The only way to tell is to have someone take a look at the boil. If you can, carefully take off any bandages and use a mirror to check. Get some help...
Puppies, especially golden retrievers, usually eat well and are greedy, so not eating is a worrying sign, especially if he's lost weight. This may not be a simple matter of...
Are you concerned that he's mentally unstable because of the bullet wound he sustained? That's definitely a possibility. You should tell your husband what's going on and stop communicating with...