Based on the context and the answer, generate a question. 

Context: Maybe Addison did n't have anything to do with it at all . " Ca n't get you alone , " he murmurs , and his breathing just keeps getting heavier and Derek can feel his hard - on against his thigh , not that he minds , but he does have a surgery in half an hour . And then he has dinner plans . With Meredith .

Answer:

Because he is cheating on the person is going out to eat with .



Why should Derek not be alone with Addison ?