rwdhahb. It's likely your primary fermentation is complete and now the yeasts are feasting on the leftovers (fusel alcohols, diacetyl, etc.). I let my beers sit about three weeks in the primary fermenter on the yeast cake to clean up any of these leftovers.
Beer so good, it's frightening.
2014: Seven Heavens Series One: Vilon, Mystic Melomel, Skeeter Pee.