Psychiatrist: What's your problem?Patient: I think I'm a chicken.Psychiatrist: How long has this been going on?Patient: Ever since I was an egg
精神病医师：你哪里不舒服？病人：我认为我是一只鸡。精神病医师：这种情况从什么时候开始的？病人：从我还是一只蛋的时候开始。