"Mou." She pulls up another smile, albeit slightly shaky, especially as she tries to shift position a little and has to conceal a wince. "Conan-kun is so worried about me! I'll be okay. There's still a lot to do; you should probably get back to your team."

He may have to decide if he wants deeper, truthful answers than he's being given and insist on them if he does; Ran is firmly stuck in "don't worry the child" mode. There's also the very real threat that they're on a time limit. She's already eliminated herself from helping -- and possibly Sharon. What right does she have to take him too?