暖男如太阳冷女似月亮
[nuăn nán rú tài yáng lĕng nǚ sì yuè liàng]
"暖男如太阳冷女似月亮" likens warm-hearted men to the sun for their brightness and energy, and cool-tempered women to the moon for their tranquility and distant beauty. It highlights contrasting but complementary personalities.