so last night when i went clubbing this girl said to me in the washroom wow you look super skinny ! and i was like i m sorry what ? and made her repeat because i was in such disbelief !

Question: Why was the writer in such disbelief ?
Answer: Because a girl in the washroom said she looked skinny .Because when she went clubbing there was another girl in the washroom .Because she made the girl in the washroom repeat herself .Because she was very sorry when she met the girl in the washroom .