[He's looking at her, listening to her, hanging onto every word. And then, a question]
How are you going to do it?
[He does not ask her to mock her, or to shove his doubts in her face. The idea that she could fail hasn't occurred to him yet. His curiosity is completely genuine]
no subject
How are you going to do it?
[He does not ask her to mock her, or to shove his doubts in her face. The idea that she could fail hasn't occurred to him yet. His curiosity is completely genuine]