[He'll sure do his best - and then show it off really proudly, of course!]

Are you sure? [He looks almost incredulous - but also grateful.] I mean, it's really great - I don't have to bother Bucky, I can use it all by myself. [And he likes this idea - Bucky spends enough time helping him out, talking him through attacks. This will be better for them both.] Thank you - really, are you sure you don't need any chores or anything?