(Everyone is 16-years-old)

Everyone was currently having a sleepover at you house, they were in your room, just chilling and talking

Cartman: Dude, I don't know how we convinced you into doing this

Cartman said, talking to you, but also everyone. This was the first time that you and your friends had had a sleepover at your house, which was shocking since everyone has been friends since kindergarten