[He forgets that she never had a heartbeat. Lucy doesn't seem anything but alive.]

Maybe, yes, but there is only one thing that I have ever really wanted--and you will be the first person I have ever told this to, Lucy, so please don't think it is strange--and that is to be a hero. [He's speaking very quietly now, but remarkably clearly all things considered.] Being brave is good. Having a chance to be a hero, do something heroic and not only brave... I want that.