She gets the attention of an older man, and the ability to say she has a boyfriend, trust me, older guys who only go after younger girls can be really manipulative and keep you vying for their attention (its happened to me), and seems like he's like that as he somehow got her to drive him all around London on Christmas eveI don’t really understand what she gets out of it other than a place to stay in LA. Everyone just sees their “relationship” as a car crash