视他如命珍她如宝
[shì tā rú mìng zhēn tā rú băo]
The user regards him (typically someone important to them, usually male) like a life-and-death matter, just as invaluable as his/her life itself, while treating her as if she was one's most treasured item or asset in life. In English: 'Valued him as much as my own life, cherished her as my ultimate treasure'