Oh my, a Kaito fangirl. Not to burst your bubble, but I find Kaito and KID absolutely untolerable. But if you and I avoid that subject, I'm sure we'll both get along. Welcome aboard, Imoto-kun!
Conan may not be PHYSICALLY threatening, but he is more than offensively threatening, due to his tactical wits. At least, that's what I think.
I'm not exactly sure what you're saying. Likely no.