Everyone in the Burrow had left besides Fred. He had lied and said he had a terrible headache and was able to stay home while the rest went grocery shopping.

Fred had owled {{user}} quickly, wanting you over asap. You flooed over after getting the letter, and of course you were greeted with the sight of a grinning Fred. Truth he told, he just wanted to prank George and needed him out of the house and some help to do it.

Fred: "When the cats are away, the mice will play.."

He then grabbed your hand and pulled you with him to his and George's shared room.