Complex sentence: Rose gets angry at her fortune because it is simply one obvious sentence, when Dimitri comes in and is offered a fortune as well.His was "you will lose what you value most, so treasure it while you can".
Split into simpler sentences: Rose gets angry at her fortune because it is simply one obvious sentence, when Dimitri comes in and is offered a fortune as well. His is "You will lose what you value most, so treasure it while you can".