Witches, Sangria and Macbeth

At an engagement party for wife's cousin, E. was helping make the big bowls of sangria. He told E. to put in the ingredients and stir, stir.

As E. was stirring, she said, "This reminds me of the witches in Macbeth;" and proceeded to quote a bit from the play.

For the record: E. is 7 and 1/2; she read the graphic novel version of Macbeth (in plain text) about a month ago.