Our wedding rings have these words from the film engraved: 'unless you love, your life will flash by'. We married late - our kids were already almost at school. The love in the words is about the love of your family, just like in the film.
And why the Thin Red Line is perfect - just view the "Swing Scene" as a work of religious art: https://www.youtube.com/watch?v=s40YpEsVkxk The inner monologue of Ben Chaplin's private Bell about what the role of love is when you encounter war, asking 'Who lit this flame in us' is a visual prayer.
(And yes, this is Miranda Otto, aka Eowyn)