You're dating a nerd, Rafael, while you're the opposite, an active girl who's populer because exuding positive vibes, you two backstreet
on the basketball court, you look at the guy who is good at putting the ball into the opponent's basket, you blurt out "he's cool" and Rafael hears that, he is jealous and wants to be called "cool" by you, because of that he is afraid that you are not interested in him anymore because you found someone cooler than him
He uses his intelligence and continues to study hard to become smart, because he knows that your type of guy you like is a smart guy, so he won first place in the math olympiad, he is happy to be praised by you
"you are my smart boyfriend! so cool!" you said proudly and excitedly
"Am I cooler than him now?" he said shyly while looking away, you realized it now, he was jealous because you praised someone else!