My sister and her friend were hanging out with a few people who happened to be friends with my boyfriends ex. She was there and was asking about me. My sister heard her and asked why she was talking about me, to which she replied "Oh I'm not talking crap or anything." But her other friends there really wanted to know my name and stuff like that. When my sister asked why did it matter to them my boyfriends ex made them all be quiet and stop asking. Why would she care who I am? They've been broken up for a year and she has a new boyfriend.