They might say things like, "Why do you hang out with them? They're such losers" about your best friends, or, "They want us to break up. They're totally against us" about your family.
Podrían decir cosas como, "¿Por qué sales con ellos? Son unos perdedores", sobre tus mejores amigos, o "Quieren que rompamos. Están totalmente en contra de nosotros", sobre tu familia.