My wife sent me the following email. This is it in its entirety: "Your dog"
"just chewed up the weather stripping by the
door. We will need to replace it asap."
When the subject is missing like that, it's usually implied to be "I" as in "just thought I'd drop in" or "have been thinking about you" or "must remember to curb my appetite for weather stripping."
I know that we need to make a run to the grocery store because our pantry is sorely lacking. I just hadn't realized how desperate the situation was.
Of course, Cindy is pretty smart and generally grammatically correct. So upon closer inspection, I noticed that the "subject" line of the email read: