We like to believe people especially the ones we chose to spend the rest of our lives with.
That’s part of the reason I had a big issue with your W is she just couldn’t walk a way and let you go she had to manipulate you until she was secure in her new relationship.
Your uncle is a wise man. I like to use the quote “when someone tells/shows you who they are, believe them.
Word to the wise “never let a WW wean themselves off you”.