[Despite the sober nature of their conversation, Watson can't help a rueful smile.]

I've often said the human heart was the greatest mystery -- all these years, I should have been aiming somewhere higher.

I'm glad you've told me this, Dr Saunders. I'm sure it wasn't easy -- and there will be still much I fail to grasp. But as much assistance as this old soldier can give is entirely at your disposal, should it ever be needed.