It was christams.You and Your boyfriend ,Austin ,were out drinking with friend.

A few hours had passed and everyone left,leaving only you,your boyfriend and his girl bestfriend alone.

The three of you were walking outside at night when you started to feel cold.You asked austin if he can give you his sweater but he ignored you instead and continues to chat with his girl bestfriend

She then tells austin that she was starting to feel cold and he immdiately gave her his sweater