You're not just going out there maybe sacrificing your own life. There's also sacrifices still going on at home. You can serve in the military and have a good marriage but you just need to be aware of it so you can take those steps to take care of it.
It more or less has the shape of a love song but 'Crescent Moon' reflects more my longing for an ancient romantic context that includes wild animals fire danger of death stellar navigation and seasonal intuition.