I might respond to that as follows, which has the benefit of both encouraging effort, and being what is most likely the truth: "It may not seem like a lot of e

I might respond to that as follows, which has the benefit of both encouraging effort, and being what is most likely the truth: "It may not seem like a lot of effort now, but that is because you have worked so hard on so many similar tasks in the past; long practice makes for easy work."