Well many of the characters are opposites of each other. Snow went from a bad add fighter to a calm teacher. Charming went from a hero who made the right decisions to a man who couldn't make the right decision. xd
But apparently he's not a fan of Regina's with the curse broken. I wonder if he has a history with her. Maybe he's on the list with Maleficent, Jefferson, Sydney and Graham as one of her admirers or allies she betrayed somehow?