She has an 'appetite for' adventure. [=she likes adventure; she likes to do adventurous things]
That movie made me 'lose my appetite'. [=I no longer wanted to eat after seeing that movie]
Delicious smells from the kitchen 'whetted our appetites'. [=made us hungry]
(..) And you got what you were after, didn't you? A bastard. A half-breed bastard. Your invitation into our home. Come, my dear. Talla. I've lost my appetite. He dishonors us. You dishonor yourself. Your mother's a fine woman. You're not worthy of her. To please her, I'll take the wildling (..)2016 TvShow: Game of Thrones Title: Blood of My Blood Season: 6 Episode 6