 He says that pleasure completes the activity that it accompanies, but then adds, mysteriously, that it completes the activity in the manner of an end that is added on. In the translation of W.D. Ross, it “supervenes as the bloom of youth does on those in the flower of their age” (1174b33). It is unclear what thought is being expressed here, but perhaps Aristotle is merely trying to avoid a possible misunderstanding: when he says that pleasure completes an activity, he does not mean that the activity it accompanies is in some way defective, and that the pleasure improves the activity by removing this defect. Aristotle’s language is open to that misinterpretation because the verb that is translated “complete” (teleein) can also mean “perfect”. The latter might be taken to mean that the activity accompanied by pleasure has not yet reached a sufficiently high level of excellence, and that the role of pleasure is to bring it to the point of perfection. Aristotle does not deny that when we take pleasure in an activity we get better at it, but when he says that pleasure completes an activity by supervening on it, like the bloom that accompanies those who have achieved the highest point of physical beauty, his point is that the activity complemented by pleasure is already perfect, and the pleasure that accompanies it is a bonus that serves no further purpose. Taking pleasure in an activity does help us improve at it, but enjoyment does not cease when perfection is achieved—on the contrary, that is when pleasure is at its peak. That is when it reveals most fully what it is: an added bonus that crowns our achievement.