"I can't see him/her being sad, I can't see him/her being sad, and I can't see him/her being lonely."
He and she had said exactly the same thing.
They are two straight lines that do not intersect or overlap. They never considered themselves friends from the beginning, but they depend on each other and are each other's weakness.
"I'm waiting for you to pull me back to your world. I won't lose you again."
--Qin Shunan & Chen Shiye