I'm not going to say I don't have those skills, because I do, but...

[His confusion isn't going away - a detective? Logically, yes, a detective has those skills, but...it doesn't make sense. Something's not quite right here.]

[He scratches at his head, looking absolutely perplexed.]

I've never been a detective? I mean...I don't think so. [He knows how strange that sounds, and he grimaces slightly, shaking his head.] But being a detective wouldn't be something I would forget that easily. It's not like, forgetting where you left your keys...