Diamond and Bone

Girl was going to visit boy. "I'm the happiest in the world", girl said to herself happily, " we love each other so much , our love is firmer than the diamond." On her way , girl saw a dog, it's gnawing a bone. Girl did not pay to it. Girl reached boy's home,she was really surprised when she saw boy, and another girl. Girl and boy quarelled , and then broke up. On girl's way home, she saw the dog again, it's still gnawing the bone. "Now I know," girl said to herself sadly, "our love , is no firmer than the dog's bone!"

Sand and Desert
Girl says to boy : "I can be a sand for you."
Boy says : "So can the other girls."
Girl says : "So there is desert."

3. I've no idea.