Why You Shouldn’t Date A “Fixer Upper”
So he feels it’s a bait-and-switch
So when he notices you starting to attempt to make changes to him, he feels this was a bait-and-switch, and that’s heartbreaking. There he was, thinking that somebody finally liked him even though most people found him too sloppy/nerdy/abrasive, and the complete opposite is true. You pretended to like him, just so you could get your claws in him and try to change him.