This will prevent Emma from sending you messages, friend request or from viewing your profile. They will not be notified. Comments on discussion boards from them will be hidden by default.
Daily update—I just want you to know, I saw the outline of your brother’s dick and I very much want to have sex with him. But I’m not going to. Aren’t I such a good friend?
I'm so serious, if my friend texted me this, we're no longer friends.