The context of the following conversation is Quinn gave Riley an education.  Riley appeared to be naive.:
Quinn says Riley seems so naive so I had to educate her..
The friend responds What is she naive about?.
Quinn responds She thinks her boyfriend is going abroad for school and is going to remain faithful to her..
The friend responds Some do..
Quinn responds I told her most likely it's not going to happen. He'll be there for a couple of years..
The friend responds That's a long time to be away..