Li Xiangyi is the sun, Li Lianhua is the moon, but have you ever considered:
There’s not much difference between the sun and the moon, really, not in the end. The sun might be brighter, it might be more magnetic and all consuming and eye catching, so that you can’t help but stare at it even as its light blinds you, the moon might be paler and more damaged, it might be dimmer and easier to stare at for ages, but they’re both the same, in the end. They’re both beautiful yet so so distant, hanging in the sky more precious than any jewel you could want, but they’re unreachable, you could leap into the sky, you could throw yourself into the sea just to catch its mirage, but you’ll never touch them. That’s okay though, because even as you plummet from the sky or sink into the depths of the ocean, you can derive comfort from the way their light caressed you for an instant. And that makes it all worth it, doesn't it?