Losing a baby and then your greatest support is shattering. I am terribly sorry about both. At some point, you do need to address the vet. While often my vets have been sure what they thought was up, they insisted on xrays to make sure especially since a wrong dx could end up doing irreparable harm. Serious symptoms need serious evaluation. Hopefully, if nothing else, your experience will help them to reevaluate their way of doing things and save another dog from this type of experience.
I did remember you posting so looked for Cody's pictures. You gave him as much support as he gave you.