Astar, I so know exactly what you're going through.
Have you looked down into his throat to see if there are any lumps or obstacles?
13 years old for a Golden Sweety--you are so blessed!
Our Golden girl lived to almost 14 years until her passing in January.
In any event, like Hazelrunpack says, we're all here for you to rant, cry, yell or just needing a hug.
and many
for you and your little guy.
Welcome to the forum and please keep us posted.