In the decades that he'd been alive, Rumpelstiltskin figured that he knew more about revenge than anyone in all the realms of his world.
It was how he made his living. Almost everyone that he talked to wanted revenge in some form or another. Most just didn't want to admit it or they didn't realize it. Cinderella dealt with him for revenge. She thought she was going to a ball, but her ulterior motive (Which she had admitted to him) was for revenge against her stepmother and stepsisters for the lifestyle that they had forced her into.
He made a lot of enemies doing this work. Ironically most of them were the so called poor unfortunate souls that had dealt with him in the first place; in desperate attempts to go back on their deals.
And they pretended they were in the right.
Rumpelstiltskin didn't lie about what he was and yet they did. What did they say about them? After all, if he had to live with his deal, which ended up driving away his son then why shouldn't they?
Words could not describe what he thought of Cinderella and the little daddy's boy that he'd practically handed to her.
He'd expected the betrayal. He'd planned on it so that they'd imprison him and set everything in motion for the curse that he'd designed.
But that didn't mean he didn't hate them for being foolish and stupid enough to go through with it.
That was fine though, he knew that in the end, he'd come out ahead. In time, they would all be at his mercy and all those people with deals that were still standing or had tried to go back on them would be at his mercy.
And for most of them including some of his so called beloved ones, he didn't plan on giving it