What does "Just looking back at you make me miss you in your morning and evening" means

From: Yuefu Poems

Shisan and Jun first met, and they were playing silk and bamboo in the prince's house.

Just looking back at you makes me miss you.

When I meet you again, I will be fifteen, and I will perform a colorful dance for you.

It is a pity that the years are like morning dew. When will I hold my house in the mud nest?

Just because you looked back at me once, I miss you day and night...

This sentence was once quoted by Xi Murong, in a female tone. To express my obsession and longing for him, it seems very suspicious of unrequited love...