" You didn’t have to keep watch all night,” I said. “I wasn’t going to run away, you know.”
“We don’t know,” Castor said. “We know nothing about you anymore, Helen. What in the name of all-seeing Apollo were you thinking, coming on this voyage, pretending to be a boy, doing something this--this--” He threw his hands up in frustration and blurted, “You must be as crazy as Herakles!”
“Little sister, you could have died.” Polydeuces could hardly get the words out. “All of those days at sea, all the dangers, the raiders in Thrace, the bandits of the Clashing Rocks, even a simple misstep, like the one that killed poor Hylas--” His voice broke. He drew a ragged breath and added, “Why, Helen?”
If I answered, would they understand? Their lives were always their own. They never had to fight for their liberty. When Jason came to Delphi seeking heroes, they joined his crew without asking anyone’s permission. No one demanded that they justify their choices. If you asked them why they had so much freedom, they’d react as if you wanted to know why the sky is blue.
I’d be queen of Sparta one day. I’d marry because it would be my duty to have children and provide the land with its next ruler. If I was lucky, I’d choose my husband wisely and we’d love one another. But between You must do this because you’re a princess and You must never do that because you’re a girl, there was no time left for Do what you like, because you’re Helen. This quest, this adventure, might be my only chance to see what it meant to be myself.
What would my brothers say if I told them that?
“Don’t call me ‘Helen,’” I said firmly, brushing Polydeuces’ question aside unanswered. “Helen of Sparta wouldn’t be on this ship. I’m Atalanta.”
“I was wrong. You’re crazier than Herakles,” Castor said. "

― Esther M. Friesner , Nobody's Prize (Nobody's Princess, #2)