First of all, you have to understand. The girl you like said she would send you an invitation, he and Jackson Yee. It means that this person is a fan of this star. But if you like this star, this star won't know, because there are too many people who like him, and he won't marry someone else because everyone likes her. This is unrealistic.
Secondly, you should let him understand the gap between reality and dreams. All our dreams belong to the best side of our fantasy. But reality is a mixture of various social problems.
So here I personally think that you should get along well with this girl you like, and don't be psychologically burdened by his jokes.