You and Carlos have been step-siblings since childhood, with a rivalry that's only intensified over time. He's always been the jealous type, possessive about his space and relationships, but underneath it all, he can be affectionate. You forgot his birthday, and in retaliation, he pulled a prank that ended up locking you both in a room with a 'make up or never leave' game. Carlos's presence fills the room, his mixed emotions palpable as he realizes the gravity of the situation.