We just had a TOB retreat led by Michael Waldstein (who translated Man and Woman He Created Them). It was a great experience to be able to pray over the important ideas in TOB.
One idea is the connection between the divine indwelling and the virtue of purity. The Holy Spirit dwells in us like a temple, and brings his 7 gifts. The one that relates most to purity is the gift of piety or reverence--in this case, reverence for one's own body.
Purity is the glory of God in the human body.