Make Believe Boyfriend

" Fifteen year old Teri has a problem. Teri's neighbor Dirk just can't get the message. No matter how often she refuse to go out with him, he won't stop pestering her. Then Vance, a handsome senior from Teri's school, comes up with the perfect solution. He'll pretend to be Teri's boyfriend whenever Dirk is around, and Dirk will have to give up. Teri thinks this is a great idea- until two things happen to complicate matters. Teri falls in love with her make believe boyfriend. And her gorgeous older sister Angela, decides to claim him for herself." This is from the back cover of the book.