This Is What We Have Become

Ok i dont really care if people tell my girlfriend is cute if i know you and so does she but when people who i have no idea who the fuck they are i dont see why the feel the need to keep saying that she is really cute, gorgeous, the most beautiful person they have ever seen. i take it very personal and i dont know why if anyone knows/ or has been through the same shit i deal with please tell me how to get over it or to make them stop i tell them to fuck off i threaten them but nothing seems to work so please help me out