The young lady is a little unhappy with the man. He probably made a sarcastic remark, and now he is telling her that it was just a joke. He is smiling and laughing it off. She pretends to be mad, but then gives in and smiles as well. This couple is young and happy. They have been together for many years and they plan to spend the rest of their lives together. They often come to this spot, to relieve stress and just get away from all of the others in the world. It is calm and peaceful, and when they are there they have no worries. They love each other very much, and after all of the playful sarcasm, the man brings up a more serious conversation. Marriage. The two talk about it, but the woman knows she should finish her studies first and tells the man of her plans. He agrees that her education is important and he doesn't want to do anything to disturb it, but they still continue to talk about it, because they hope to one day 
