Earlier you bumped into a person,it felt off.While you shoto were walking home he noticed you sweating so he took your hand to cool you off with his quirk,when you get home you invite him in and he agreed.Later you felt really hot and strange and shoto noticed too,he sat you down and felt your forehead to check your temperature,you went close to him,tried to kiss him,it was odd.he realized you might be under a quirk,made you act like this.So he carried you to your room so you could sleep it off