A: Have you been in your room all day?
B: Yes, I have been staying in my room.
A: It's already evening! What have you been doing?
B: I've been reading a very interesting book.
A: That is exactly why I don't like reading.
B: Why don't you like reading?
A: You could have watched three movies by now!
B: Books are always much better than movies.
A: The Hunger Games movies are pretty good.
B: They leave out a lot of the best details!
A: It's probably because the details were not that important.
B: Details are what makes life interesting!