The term for what you are describing is "zero sum", in which one benefits from another's loss.
Answer:
It was like magic. The lovers looked deeply into each other eyes. You could see the sparks flying. The room was white like snow flakes came down and just stuck to the room around them. Everyone cheered it was like a fairytale, like the lovers were unsure if it was real or not. On there faces all you could see was how happy they were just to be by each other. It was like a dream come true!
An ecotourist means someone wanting to help one out. So it would likely be A, which means to help.
In Bernard Malamud´s "A summer´s reading", George likes the fact that his neighbors are beginning to threat him differently because they believe he is spending his time reading. It is as is their new found appraisal of him boosts his confidence. No longer is he just a twenty years old man who lives with his father a sister above a butcher´s shop but rather he has the potential to be somebody. George and the guys on the store did not recognize each other because they always had an impression of George as a shy and silent guy that do not believe himself; however, after George´s discovery, finally realize he was a man "different", sure about himself and his capacity.