Having read a thousand chapters of "Dou Po" by heart, he is proficient in time travel strategies.
The plot doesn't seem right, so ignore the system and continue pushing.
Serious version:
"I never thought I would spend decades on this continent..."
"Then, I want to accompany you, live and die together."
"Don't worry, I mean, before I like you"
"What now?"
"I want to be with you for the rest of my life. Do you agree?"
"Well... Seeing as how sincere you are, I reluctantly agree to it."
"Okay, I'm happy."
Purpose: I want her to have the only love