He might have been encased in a thick glass bubble, so separate did he feel from his three dining companions. It was a sensation with which he was only too familiar, that of walking in a giant sphere of worry, enclosed by it, watching his own terrors roll by, obscuring the outside world.
J. K. RowlingHarry, don't go picking a row with Malfoy, don't forget, he's a prefect now, he could make life difficult for you..." "Wow, I wonder what it'd be like to have a difficult life?" said Harry sarcastically.
J. K. RowlingAn Unbreakable Vow?" said Ron, looking stunned. "Nah, he canโt have.... Are you sure?" "Yes Iโm sure," said Harry. "Why, what does it mean?" "Well, you canโt break an Unbreakable Vow..." "Iโd worked that much out for myself, funnily enough.
J. K. Rowling