The german ) explains that he gets all his energy from sunlight. he says he drinks only water and ) fruit juices. dr werner has written an ) book about his experiences. in it he says that when he started the experiment he even put on weight.he says: “i can't really give an ) of what’s happening to me; perhaps i just believe in my theory.” dr werner’s colleagues say that only plants can produce energy from the sun, and they cannot explain how he is able to stay ). “this case ) needs a lot more research before we will be able to explain it,” they say.