There is a large amount of discussion of sex, and one characters sex life in particular, nothing very graphic though.

A man describes love letters sent during the war that focus specifically on a woman's breasts, but he isn't vulgar.

There are some passionate kisses. Often following these is implied sex, but nothing is ever shown.

Some war footage is shown, nothing too bad.

None

Drugs: None

There is almost constant, though period accurate, smoking.

Many characters also drink. There is discussion of different types of beer.

The final few scenes are shocking and disturbing.

The film is very tragic.