Why did the youth initially want to enlist?

The youth initially wanted to enlist for the glory of war.

Tales of great movements shook the land. They might not be distinctly Homeric, but there seemed to be much glory in them. He had read of marches, sieges, conflicts, and he had longed to see it all. His busy mind had drawn for him large pictures extravagant in color, lurid with breathless deeds.