My brother is gay's feed

So yesterday i joined a group and later there's one guy from that group asked how old i am, and i reply "messages me personal" and after he asked my age, he want my pic and i send my ugly pic (ik i'm dumb) and then i asked him how old is , then he say 25 and i was like ohh okay.... then i said "bye don't chat me", but he says to me like this " you......