Redundant Question

 When my friend, J, was a teenager, she had been sitting on her bed in her room, when her door suddenly opened.

She couldn't see anyone, but she heard what sounded like a boy and a girl talking to each other as they walked into her room.

The girl then asked, "Should we try talking to her?"

The boy replied, "She can't even hear us."

J, chimed in "Uh, yes, I can hear you."

The room went dead silent, as though the sound of J's voice scared off her two invisible visitors.