"Unstable" is one of my favorite words. When used properly, it's one of the best ways to piss off a chick:

Chick: "I wish you wouldn't smoke up while my parents are here."
You: "You're unstable."

Chick: "I think we need a new dishwasher."
You: "You're unstable."

Chick: "Oh my God! You slept with my baby sister???!!!"
You: "You're unstable."

Another word they hate is "antics":

Chick: "It's such an important cause, and I want to be more involved."
You: "I'm really not in the mood for your antics."
Chick: "STOP PATRONIZING ME!"
You: "You're unstable."

Someday I need to make a list of these. Anyway, this movie is about a chick who marries this utter fucking dork who looks like a cross between an Islamic terrorist and Screech from Saved By the Bell. He starts messing with her head immediately, and since she's not exactly firing on all cylinders to begin with it's not long before he totally gaslights the bitch. There's plenty of hilarious head games (I took notes) and an okay twist towards the end - which I totally saw coming, but you probably won't because you're not a movie expert like me - so overall it's pretty decent flick. I wish the main chick had been hotter though. Crazy without hot is like Lucky Charms without the little stale marshmallows.