Ling He announced his girl to the world at the press conference after the boxing finals
He knows that Wen Lin has many suitors
He is asserting his authority
It also gave Wen Lin the sense of security that every girl wants to have.
"Mr. Ling, what made you easily defeat Triple Crown winner Moose Neil in the final?"
"It's my girlfriend, she has been encouraging me."
"Please evaluate her objectively."
"I can't be objective. I love her subjectively."
…
Idea: come up with it out of thin air