When Yu Yi saw him for the first time, what impressed him most was the bright red blood on his wrist and the cold eyes.
The first time he saw Yu Yi, what impressed him most was his chubby cheeks and warm little hands holding his hand and breathing into the wound.
I don't know the origin of love, but one glance lasts for thousands of years.
Yu Yi and him have known each other for sixteen years and been in love for ten years.