[He tamps down panic, Mary isn't dead and John would be much more concerned if the wound looked life threatening. Even if he doesn't remember her, she's still a person and he's still a doctor, he wouldn't be so cavalier with her life. It must be superficial, she must have dispatched whoever attempted to hurt her.]
I'll be in touch with her. Goodbye, John.
[And he's gone. Concerned though he is with John, it's Mary that's the hurt one.]
private
I'll be in touch with her. Goodbye, John.
[And he's gone. Concerned though he is with John, it's Mary that's the hurt one.]