Question: Generate a question about the following movie plot: The highest ranking he ever got was 11th in the world, but he has slipped to 119th. Peter is about to retire from the tennis circuit, when he is granted a wild card to play in his final Wimbledon tournament. He meets the American tennis star Lizzie Bradbury (Kirsten Dunst) at the hotel. They meet again on the tennis practice court and make a date. Peter is losing his first match when he sees Lizzie in the stands. Her presents inspire him to win his first match. Lizzie easily wins her first match, and they begin to have an affair during the tournament. Lizzie's father and tennis coach (Sam Neill) doesn't want any distractions, and he wants Peter to stop seeing his daughter. Lizzie has given Peter a new spark in his life, and now he must see Lizzie to continue to win. Douglas Young (the movie-guy)
Answer:
Why is it difficult for Lizzie and Peter to continue their romantic relationship?