I frothed the wort with a brewers paddle attached to my electric drill (quite the most fun I've had with a power tool in the kitchen


Now, at about 42 hours the head is gone, and a few bubbles appearing, and gravity of 1016. In under two days! I had to check the hydrometer!
Room temperature has been about 20-25. Is this fermentation too quick? Will it affect the taste? How long should I leave it before kegging/bottling?