In the movie there is a giant who lives in a cave and eats sheep and everyone is scared of the giant. The movie is during a war and is also a love story. There are Siamese twins in the movie and a soldier with a family. There's also a fortune teller who tells the fortune that someone is going to die on the toilet.

That sounds like Big Fish
Big Fish (2003) - IMDb (http://www.imdb.com/title/tt0319061/)