In an interesting twist on standard accounts of the sense in which (according to Aristotle, at least) a friend is a mirror, Millgram (1987) claims that in mirroring my friend I am causally responsible for my friend coming to have and sustain the virtues he has. Consequently, I am in a sense my friend’s “procreator,” and I therefore find myself actualized in my friend. For this reason, Millgram claims, I come to love my friend in the same way I love myself, and this explains (a) Aristotle’s other