Here's a breakdown:
* Sun rising and setting: This signifies the passage of time, the beginning and end of a day.
* On you: This means that the person is the focus of your attention and affection, like the sun is the focus of the Earth's rotation.
The phrase implies:
* Complete devotion: You are so focused on this person that everything else seems to revolve around them.
* Adoration: You are deeply in love or admire them greatly.
* Priority: This person is your top priority, and their needs and well-being are the most important to you.
Example:
"My grandmother always said, 'The sun rises and sets on you,' meaning she loved me more than anything."
It's a romantic and heartfelt phrase often used to express deep love and affection.