"Certainly, certainly," said Dumbledore, his eyes twinkling. "Let me draw you up a chair--"
And he did indeed draw a chair in midair with his wand, which revolved for a few seconds
before falling with a thud between Professors Snape and McGonagall. Professor Trelawney,
however, did not sit down; her enormous eyes had been roving around the table, and she
s u d d e n l y u t t e r e d a k i n d o f s o f t s c r e a m .
“I dare not, Headmaster! If I join the table, we shall be thirteen! Nothing could be more
unlucky! Never forget that when thirteen dine together, the first to rise will be the first to die!”
LATER....
Professor Trelawney behaved almost normally until the very end of Christmas dinner,
two hours later. Full to bursting with Christmas dinner and still wearing their party hats,
Harry and Ron got up first from the table and she shrieked loudly.
“My dears! Which of you left his seat first? Which?”
“Dunno,” said Ron, looking uneasily at Harry.
“I doubt it will make much of a difference,” said Professor McGonagall coldly, “unless a
mad axe-man is waiting outside the doors to slaughter the first
into the entrance hall.”