There's something profoundly moving about expressing your deepest emotions in another language—it adds a layer of universality to very personal words. For wedding letters, I've always loved the elegance of 'In you, I found my endless sunset'—it captures both romance and timelessness without being clichéd.
Consider weaving in cultural references too; quoting 'The Notebook' with 'The best love is the kind that awakens the soul' feels intimate yet classic. Avoid overly complex metaphors—simple lines like 'Our love tastes like the first sip of morning coffee' resonate deeper because they're relatable. The key is balancing poetic flair with authenticity—your partner should hear your voice in every syllable.