In the October issue of Seventeen, Moretz said she's always willing to stand up to bullies -- especially those who "say anything bad" about her brothers -- though obviously not to such extremes.
"I have two gay brothers and two straight brothers," Moretz said of Brandon, Trevor, Colin and Ethan.
"My gay brothers were treated horrifically until they grew up and understood how to deal with it," she added. "I will delete you, and I will block you, and you will not be a part of my life if you ever say anything bad about my brothers."
The same goes for the rest of the family.
"Never choose your friends over your family or a boyfriend or girlfriend over the family," Moretz told the mag.
My mom has always taught us that blood is thicker than water. No one will ever understand the dynamic of your family. Ever. We are the closest family ever and we are the most insane family ever. It may look weird to others, but to us, it's life.
"Carrie" hits theaters October 18.