Subject: Please stop watching me eat.

To: the group of attractive people who like to stand outside my kitchen window and watch me eat.
From: Me, who else would it be?

Body:
I know there is some group of people who like to come 'round my house when I eat dinner.
I've seen you do it.(You aren't very sneaky.)
I don't know why you do it, I don't know how long you've been doing it, but I would more than appreciate it if you would stop.
It is making me terribly self-conscious about my eating, and have been seriously considering that I stop.
Now, if I did that i would wither away into nothing, and if I did that... well I can't imagine I would feel very good about doing that to someone, and I'm sure you wouldn't either.