Hi gary, "Exclusive relationships" = monogamous relationships, or ones which purport to be between two people who intend to be intimate only with each other. To "quote" someone is to claim to report their words exactly as they were spoken. The newspaper claims that Juliet said, "Australians have an impressively high etc.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.