People kept telling young, lazy inexperienced Miles "Work makes you grow up. War Makes you grow up. Sex makes you grow up." So young, lazy, inexperienced Miles went to work, went to war, went, etc...etc
The movie starts with sentences: "My name is Milos Hrma. People often laughed at my name. ..." Why people often laughed at Milos' name? In old Czech language Hrma means "Mons pubis"