A top student actually traveled back 10 years and confessed his love to someone. He will die if he doesn't complete the task.
There was actually a strategy behind him. Unknowingly, he realized that he couldn't live without him. Forget it, I'm willing to die in this world with him.
I love you
I'll marry you
"The clean and dazzling youthful spirit in you has amazed all the joys of my boyhood."
Intention: love