When you're teaching yourself, BY yourself, there are so many opportunities to do something wrong and think it's right. Then you groove it. I've done this a dozen times and had to go back to the beginning to fix it. Setbacks really hurt.
This sort of interaction is of benefit to both parties. I had never played the song before, and now I have 3 versions of it!
The bounce licks were new to me, and they happened by accident. This is one of the rewards of exploratory work.
Where do you live? If close to Lafayette, La. I would like to get together and share accordion styles. By the way, what key accordion were you playing in the video?